Einstein's riddle about 5 houses who raise fish

The Einstein Riddle is a well-known logic problem attributed to Albert Einstein.

It is believed that this puzzle was created by Albert Einstein during his childhood. It is also believed that it was used by Einstein to test candidate assistants for their logical thinking ability.

Some attribute the reasoning to Einstein in which he claims that only two percent of the world's population is able to operate in the mind with patterns associated with five signs at once. As a partial consequence of this, the above puzzle can only be solved without the use of paper by those who belong to this two percent. However, there is no documentary evidence that Einstein ever made this claim.

In its most difficult edition, the problem involves a mental solution, without the use of any records or means of preserving information. Without this, the puzzle noticeably loses in complexity, since it can be solved by simply drawing up a table with the exclusion of obviously contradictory options - and therefore says little about the subject's abilities. "

5 different people in 5 different houses of different colors, smoke 5 different brands of cigarettes, raise 5 different types of animals, drink 5 different types of drinks.

Question: who is raising the fish?

Hints:

• The Norwegian lives in the first house.
• The Englishman lives in the red house.
• The green house is to the left of the white one.
• The Dane is drinking tea.
• The one who smokes Rothmans lives next to the one who
• raises cats.
• The one who lives in the yellow house smokes Dunhill.
• The German smokes Marlboro.
• The one who lives in the center drinks milk.
• The Rothmans smoker's neighbor drinks water.
• Pall Mall smokers raise birds.
• The Swede raises dogs.
• The Norwegian lives next to the blue house.
• The one who raises horses lives in a blue house.
• Anyone who smokes Philip Morris drinks beer.
• They drink coffee in the green house.

The solution of the problem

So, we have 25 positions that need to be filled with the following data:

• Nationality: Norwegian, Englishman, Dane, German, Swedish.
• House color: Red, Green, White, Yellow, Blue.
• Cigarette brand: Rothmans, Dunhill, Marlborough, Pell Mell, Philip Morris.
• Animal: Cats, Birds, Dogs, Horses, Fish.
• Drink: Tea, Milk, Water, Beer, Coffee.

In fact, we need to fill out the following plate:

From the tips, we immediately fill in a number of table cells:

• The Norwegian lives in the first house.
• The Norwegian lives next to the blue house.
• The one who raises horses lives in a blue house.
• The one who lives in the center drinks milk.

Norwegian
	Blue
	Horses
		Milk

Since an Englishman lives in a red house, it means that a Norwegian cannot live in red. Equally, a Norwegian cannot live in blue.He cannot live in white either, since the green house is to the left of the white one, and the house of the Norwegian is on the left. He also cannot live in green, since to the right of the green is a white house, and to the right of the Norwegian is a blue one. So he lives in yellow. From this we also conclude that the Norwegian smokes Dunhill.

Norwegian
Yellow	Blue
Dunhill
	Horses
		Milk

Further, since the green house is to the left of the white house, it means that it has the number either 3 or 4. However, in the third, middle house they drink milk, and in the green house they drink coffee, which means the number of the green house = 4. So we have a white house is number 5, and red is number 3. An Englishman lives here. Coffee is drunk in the 4th house.

Norwegian		Englishman
Yellow	Blue	Red	Green	White
Dunhill
	Horses
		Milk	Coffee

Further, since a German smokes Marlboro, he does not smoke Philip Morris, and therefore does not drink beer. Nor does he drink the milk that the Englishman drinks. Nor does he drink tea - the Dane does. This means that the German drinks either water or coffee. A Norwegian cannot drink beer (he smokes other cigarettes), milk (not an Englishman), coffee (does not live in a green house), tea (not a Dane). So the Norwegian drinks water, and then the German drinks coffee, and lives in a green house. Plus, do not forget that the German smokes Marlboro. And since a Norwegian drinks water with us, then his neighbor (second house) smokes Rotmans.

Norwegian		Englishman	German
Yellow	Blue	Red	Green	White
Dunhill	Rotmans		Marlborough
	Horses
Water		Milk	Coffee

Since a Swede raises dogs in our country, he cannot live in the second house (horses are raised there), so he lives in the fifth house (white). This means that a Dane lives in the second house who drinks tea.

Norwegian	Dane	Englishman	German	Swede
Yellow	Blue	Red	Green	White
Dunhill	Rotmans		Marlborough
	Horses			Dogs
Water	Tea	Milk	Coffee

Since the smoker Pell Mell raises birds, then this is not a Swede, which means an Englishman. Consequently, the Swede smokes Philip Morris and drinks beer.

Norwegian	Dane	Englishman	German	Swede
Yellow	Blue	Red	Green	White
Dunhill	Rotmans	Pell Mell	Marlborough	Philip Morris
	Horses	Birds		Dogs
Water	Tea	Milk	Coffee	Beer

And now we have the last clue:

• Someone who smokes Rothmans lives next to someone who grows cats.

Rotmans is a Danish smoker who lives in the second house. To the right of him lives an Englishman who raises birds, which means that the second neighbor of the Dane (on the left), a Norwegian, raises these cats. And then the fish are raised by a German. The answer has been found.

Norwegian	Dane	Englishman	German	Swede
Yellow	Blue	Red	Green	White
Dunhill	Rotmans	Pell Mell	Marlborough	Philip Morris
Cats	Horses	Birds	Fishes	Dogs
Water	Tea	Milk	Coffee	Beer

ANSWER: the fish are raised by a German!

Thinking is one of the most important cognitive processes, without which the normal functioning of the human brain is impossible. There are several types of thinking. One of them is logical thinking.

Every person possesses logical thinking, but some have it well developed, while others not too. There are many techniques for developing logical thinking. This includes all kinds of problems in which certain logical connections are given, and a person, analyzing them, must find a solution. One of the well-known logic problems is Einstein's riddle. Let's consider what this task is and how to solve it.

What is Einstein's riddle?

It is believed that this mystery was invented by the famous physicist Albert Einstein during his childhood. There is an opinion according to which Einstein argued that only 2% of the world's population can solve this problem in their minds. The remaining 98% of people are unable to analyze several logical patterns at the same time, without using paper and pencil.True, there is no written evidence that the famous physicist really claimed something similar, but this does not make Einstein's problem less interesting.

Anyone wishing to test their thinking skills should try to solve this puzzle. It should be noted that it is quite difficult to do this in your head, so it is better to write down the course of the solution on paper. So let's get started.

How to solve the Einstein riddle?

To solve the Einstein riddle, you will need a sheet of paper and a pencil or pen. In the course of the solution, you will need to draw several tables and fill them with data.

The task:

Five people live in 5 houses of different colors, breed different animals, smoke different brands of cigarettes and drink different drinks. Question: which of these five breeds aquarium fish?

• The American lives in the first house.
• A Chinese man is in a red house.
• The brown house is located to the left of the gray one.
• The Italian loves to drink tea.
• A person who prefers Camel cigarettes lives next door to a nutria breeder.
• A man living in an orange house smokes President cigarettes.
• The Austrian loves Lucky Strike cigarettes.
• The person living in the central house drinks kefir.
• The person who lives next to the Camel smoker drinks the juice.
• A man who smokes Chesterfield cigarettes breeds chickens.
• Finn is raising cows.
• The American lives next door to the blue house.
• A man who breeds zebras lives in the blue house.
• The man who loves whiskey smokes Parliament cigarettes.
• The person living in the brown house loves Coca-Cola.

The solution of the problem:

1. Based on the condition of the problem, the following data can be distinguished:- Nationality: American, Chinese, Italian, Austrian, Finn.- Colour at home: red, blue, brown, orange, gray.

   - Cigarettes: Camel, Lucky Strike, President, Chesterfield, Parliament.

   - The drinks: kefir, juice, coca-cola, whiskey, tea.

   - Animals: nutria, chickens, cows, zebras, fish.

2. We draw a table:
3. We enter the available data into the table: - The American lives in the first house. - The man who breeds zebras lives in the blue house.

   - An American lives next door to a blue house.

   - The person living in the central house drinks kefir.

4. We calculate in which house the American lives. He cannot live in red, because there is a Chinese. In blue, he also cannot live, since blue is in the neighborhood. The brown house also cannot belong to him, since there is a gray one to the right of the brown house, and a blue one to the right of the American. The brown house is located to the left of the gray one, and the house in which the American lives is the leftmost one, which means that he cannot live in a gray house. Thus, it turns out that the American lives in an orange house and loves President cigarettes.
5. Since the brown house is located to the left of the gray one, it will have a number 3 or number 4. The person who lives in the house number 3 drinks kefir, and the person who lives in the brown house drinks Coca-Cola. It turns out that the brown house has No. 4. It follows that the gray house has No. 5, and the red one - No. 3. A Chinese lives in the red house. In house number 4 they drink Coca-Cola.
6. We calculate what drink the Austrian drinks. Anyone who smokes Parliament drinks whiskey. The Austrian smokes Lucky Strike, so it’s not him. Kefir is drunk by a Chinese, and tea is drunk by an Italian. It turns out that the drink of the Austrian is juice or Coca-Cola. An American cannot be a whiskey drinker because Parliament is not a smoker. An American cannot drink kefir either (this is a Chinese drink), Coca-Cola is drunk by the one who lives in a brown house (and this is not an American), tea is also drunk not by an American, but by an Italian. It turns out that the American drinks juice. Hence, the drink of the Austrian is Coca-Cola. In addition, the Austrian smokes Lucky Strike cigarettes. And since the American drinks juice, his neighbor from the house No. 2 smokes Camel.
7. Zebras are bred in house number 2. Finn breeds cows, therefore, he cannot live in house No. 2. It turns out that the Finn lives in house No. 5, which is gray. Then an Italian (tea lover) lives in house No. 2.
8. A Chesterfield cigarette fancier is raising chickens. It turns out that this is not a Finn, but a Chinese. Then it turns out that the Finn prefers whiskey and Parliament cigarettes.
9. The person who prefers Camel cigarettes lives next to the person who breeds nutria. Camel cigarettes are preferred by an Italian living in house number 2.A Chinese chicken breeding man lives to his right. It turns out that the Italian's neighbor on the left breeds nutria (this is an American).

Now we can answer the question posed: who raises the fish? Answer: the fish are raised by an Austrian.

Such entertaining puzzles and logic problems allow you not only to have fun in search of clues, but also to train your thinking.

Einstein's problem on squares

There are also several problems attributed to Einstein, although this is questionable due to their simplicity compared to the previous problem.

How many squares do you see in the picture?

Squares 1: 1 - 16 pcs.
Squares 2: 2 - 9 pcs.
Squares 3: 3 - 4 pcs.
Squares 4: 4 - 1 pc.
Total: 30 pieces

Riddle about triangles

How many triangles do you see?

The answer is 7.

How to solve Einstein's riddle :: solving Einstein's riddle about home :: Hobbies and entertainment :: Other

Tip 1: How to solve the Einstein riddle

Every person has logical thinking. However, not all people can use it to the fullest. In some it is more developed, in others it is less. But logical thinking can be trained using tasks. Mystery Einstein is one of the most popular. It is quite difficult to solve it in your head, but having compiled a table, it noticeably loses in complexity.

The question "how to find out a chip set-top box or not" - 1 answer

You will need

• Pen, paper

Instructions

1. Let us recall the essence of the problem. On one street there are 5 houses of different colors, people of different nationalities live in them. They all drink different drinks, smoke different brands of cigarettes and breed different animals. Question: who is raising the fish?
It is also known that:
1. The Norwegian lives in the first house.
2. The Englishman lives in the red house.
3. The green house is located directly to the left of the white one.
4. The Dane drinks tea.
5. Someone who smokes Rothmans lives next to someone who raises cats.
6. The one who lives in the yellow house smokes Dunhill.
7. The German smokes Marlboro.
8. The one who lives in the center drinks milk.
9. The neighbor who smokes Rothmans drinks water.
10. Whoever smokes Pall Mall raises birds.
11. The Swede is raising dogs.
12. The Norwegian lives next to the blue house.
13. The one who raises horses lives in a blue house.
14. Anyone who smokes Philip Morris drinks beer.
15. They drink coffee in a green house.
Draw a table. List all signs of houses and their numbers.

2. We fill in the table. Let's start simple. So, the Norwegian lives in the first house (1), which is next to the blue one (12). Therefore, house # 2 is blue. The master of the central house, i.e. No. 3, drinks milk (8). Horses are raised in the blue house (13). Now, logically speaking, we can fill in the rest of the table.

3. The easiest way to start is with the line “house color”. By the condition of the problem, the green house is located directly to the left of the white one (3). This house can be # 3 or # 4. The first house cannot be green, because to the left of it there is a blue one. We also know that in a green house they drink coffee (15), and in house no. 3 they drink milk. So, the green house is # 4, respectively, the house # 5 is white. Let's find out the colors of the remaining two houses. It is known that the Englishman lives in the red house (2). In the first - a Norwegian, which means that an Englishman lives in house number 3 and its color is red. Consequently, the first house is yellow, its owner smokes Dunhill (6).

4. Now let's find out what kind of drinks these people prefer. The easiest way to tell is what a Norwegian is drinking. We know that in the third house they drink milk, and in green coffee. The Dane drinks tea (4). Anyone who smokes Philip Morris drinks beer (14), but the Norwegian smokes Dunhill. From which we conclude that he drinks water.

5. Let's go further. Find out who lives in the blue house. Its owner smokes Rothmans and breeds horses. This is not a Norwegian or an Englishman. The Swede also cannot live in this house because he is raising dogs. Not German, as he smokes Marlboro. Hence, this is a Dane and he drinks tea (4).
Beer is drunk by the one who lives in the White House and smokes Philip Morris (14).

6. We do not know the owners of houses # 4 and # 5. A German cannot live in a white house because he smokes Marlboro. This means that the Swede lives in a white house and breeds dogs (11), and the German - in a green one.

7. The table shows that the remaining brand of cigarettes (Pall Mall) is smoked by an Englishman and he also breeds birds (10). The Norwegian, based on clause 5, raises cats. We still have the one who breeds the fish - this is a German.

8. The problem is solved.
What at first glance seems insoluble, upon closer examination, turns out to be simple.
Logic puzzles are not just fun, they are a warm-up for the brain.

Tip 2: How to solve the Einstein riddle

There is an opinion that the famous logic problem Einstein only 2% of the world's population can decide about five foreigners. This is partly true, because it is impossible for the average person to operate in the mind with a task that includes twenty-five concepts. But there are simpler and more understandable ways to solve this cunning riddle of the great physicist.

You will need

• - Paper;
• - pencil or pen.

Instructions

1. Draw a table with 6 rows and 6 columns on a piece of paper. Enter the known conditions in the columns: house, color, nationality, drink, cigarettes, and animal. In the line "house" fill in all columns with numbers from 1 to 5. Write down all these conditions in the table.

2. If a Norwegian lives in the first house, it means that the second house is blue. Think about the color of the first house? It is not red, because an Englishman lives in red. It is neither green nor white, since the houses of these colors are located next to each other by condition. This means that the first house is yellow, and, therefore, in the first house they smoke "Dunhill", and in the second house they keep a horse.

3. What does the Norwegian drink (who lives in the first, yellow house and smokes "Dunhill")? Tea, coffee, beer and milk are dropped because they do not fit the proposed conditions. It turns out that the drink of the Norwegian is water.

4. By the condition it follows that in the second, blue house they smoke "Marlboro" and keep a horse. What nationality is this person? He is not a Norwegian (first house), not an Englishman (a red house), not a Swede (his animal is a dog) or German (Rothmans cigarettes). So a Dane lives in the second house who drinks tea.

5. Since they drink coffee in a green house, it cannot be the third. He also cannot be the fifth, because there is a house to his right. So, the green house is the fourth. Therefore, the red house is the third (the Englishman lives in it), and the white house is the fifth. By exclusion, the White House drinks beer and smokes Winfield.

6. Where does the German live? He smokes "Rothmans" and therefore can only live in the fourth, green house. And the person who smokes Pall Mall and breeds birds lives in the third, red house, and this is an Englishman. The Swede with the dog, it turns out, live in the fifth house. The cat lives in the first or third house, but birds already live in the third house, which means the cat is in the first house. Thus, the answer to the problem is that the fish are raised by a German.

Related Videos

note

My uncle lived without a wife and without children, And he was a lot of wonderful undertakings He pointed out a fad in his will, What will get the most to the one who guessed the Riddle from Einstein about houses and about people, About who lived in them, drank and what had And a competition was arranged among the servants and among the relatives All of them competed together And the first to answer the question.

Useful advice

Einstein's Riddle is a well-known logical problem, according to legend, created by Albert Einstein during his childhood. There is also an opinion that she is. If we assume that the first house is on the far right, we get a slightly different situation, but the same answer. The uncle lived without a wife and without children, And he was a lot of wonderful undertakings He pointed out a fad in his will, What will get the most to the one who guessed the Riddle from Einstein about houses and about people, About who lived in them.

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Einstein's riddle. Who Raises the Fish?

Einstein

5 different people in 5 different houses of different colors, smoke 5 different brands of cigarettes, raise 5 different types of animals, drink 5 different types of drinks.
Disagree with the previous answer. The Englishman's answer is wrong !! !
The correct answer is - GERMAN !!!
I got it like this:
Yellow, Water, Cats, Dunhill, Norwegian
Blue, Tea, Horses, Rothmans, Dane
Red, Milk, Birds, Pall Mall, Englishman
Green, Coffee, Fish, Marlboro, GERMAN (!!!)
White, Beer, Dogs, Phillip Morris, Swede
And here you can practice solving this problem.
or check the correctness of my reasoning.
PS: and I did not use ready-made answers ...

WERONIKA

By the way, the condition is missing: Five different people live in five different houses of different colors, read five different newspapers, raise five different species of animals, drink five different drinks.
The solution consists of 15 steps. I will not describe. Too long and dreary….I will write right away the answer to the riddle (which is attributed to Einstein): an ENGLISH breeds fish!

Who Raises the Fish?

Eternal student

German breeds fish
Solution progress
Below is the course of the solution. Key findings are in italics.
STEP 1
By condition, the Norwegian lives in the first house (9). From (14) it follows that the second house is blue.
What color is the first house? It cannot be green or white, since the houses of these two colors must be located next to each other (5). He cannot be red either, because an Englishman lives in a red house (1). So, the first house is yellow.
Therefore, in the first house they smoke "Danhel" (7), and in the second house they keep a horse (11).
What does the Norwegian drink (who lives in the first, yellow, house and smokes Danhel)? This is not tea, since tea is drunk by a Dane (4). And not coffee, because coffee is drunk in a green house (3). And not milk, which is drunk in the third house (8). And not beer, because the person who drinks beer smokes Winfield (12). Therefore, the Norwegian drinks water.
house 1 2 3 4 5
color yellow blue? ?
nationality Norwegian? ?
drink water? milk ? ?
Dunhel cigarettes? ?
animal? horse ? ?
STEP 2
From (15) it follows that a person living in the second, blue house, smokes Marlboro.
What nationality is the person living in the second, blue house, who prefers a Marlboro and keeps a horse? This is not a Norwegian - he is in the first house (9). Not an Englishman - he's in the red house (1). Not a Swede - a Swede has a dog (2). Not German - German smokes Rotmans (13). This means that a Dane lives in the second house and, as follows from (4), drinks tea.
house 1 2 3 4 5
color yellow blue? ?
nationality Norwegian Dane? ?
drink water tea milk? ?
Dunhel Cigarettes Marlboro? ?
animal? horse ? ?
STEP 3
The green house cannot be the third, because coffee is drunk in it, not milk (3). The green house cannot be the fifth because there is a house to the right of it (5). Therefore, the green house is the fourth. This means that the white house is the fifth, and the red is the third, and an Englishman lives in it (1). Coffee is drunk in the green house, and only beer remains for the white house. From (12) it follows that "Winfield" is smoked in the White House.
house 1 2 3 4 5
color yellow blue red green white
nationality Norwegian Dane Englishman? ?
drink water tea milk coffee beer
Dunhel Cigarettes Marlboro? ? "Winfield"
animal? horse ? ?
STEP 4
Where does a German who smokes Rotmans (13) live? He can only live in the fourth, green house. This means that a person who smokes Pal Mal and breeds birds can live only in the third, red house - this is an Englishman.
house 1 2 3 4 5
color yellow blue red green white
nationality Norwegian Dane Englishman German?
drink water tea milk coffee beer
cigarettes "Dunhel" "Marlboro" "Pal Mal" "Rotmans" "Winfield"
animal? bird horse? ?
Then the Swede, who has a dog (2), remains the fifth house. By condition (10), a cat lives in the first or third house, but in the third house there are birds, which means that the cat lives in the first house.
house 1 2 3 4 5
color yellow blue red green white
nationality Norwegian Dane Englishman German Swede
drink water tea milk coffee beer
cigarettes "Dunhel" "Marlboro" "Pal Mal" "Rotmans" "Winfield"
animal cat horse birds? dog
@@@@@@@ Therefore, the fish is held by a German. @@@@@@@@@
] Answer
house 1 2 3 4 5
color yellow blue red green white
nationality Norwegian Dane Englishman German Swede
drink water tea milk coffee beer
cigarettes "Dunhel" "Marlboro" "Pal Mal" "Rotmans" "Winfield"
animal cat horse birds FISH dog
Of course, this solution assumes that the animal and drink that are missing in the conditions of the problem are the desired fish and water. In addition, the first house is assumed to be on the left. However, this is not specified anywhere directly in the conditions. Many therefore argue that the only correct answer is “there is not enough data in the problem,” since we cannot be sure that fish, for example, generally live in at least one of these houses. GERMAN-ANSWER FROM THE GREAT PEDIATRIC !!!

Charles blackstone

A riddle attributed to both Einstein and Lewis Carroll (author of Alice).
It should be noted that the objects that make up the riddle in the early versions were different, and nationalities, and brands of cigarettes, and drinks and animals.
What is important: in the original version there was the wording: "The green house is immediately to the right of the ivory house". Later replaced by "The green house is on the left of the white house". The wording is quite different. But for me - so valuable is the indication of the immediacy of the neighborhood in the first formulation, because in the modern Russian version it is: "The green house is to the left of the white", which speaks of mutual disposition, but does not speak of a specific neighborhood! After all, a green house can be to the left of a white one, but at the same time it cannot be adjacent to it. No other way is said! At the same time, for those people who perceive from the condition that houses are directly adjacent, the solution of the problem (which is in the mind, which when solving in other ways) is significantly simplified. As soon as comes the decision on the color of the first house.
As for me: based on the formulation of the riddle in the Russian-language version, I was not based on the fact that white and green houses coexist. Solved the riddle on paper (I'm honestly not 2%), and for lack of evidence, based on assumption. For which I used the conditions for the second house, since after the run according to the conditions of the problem, the second house had the least number of options for objects. From the conditions we know its color, the animal contained, two variants of nationality, three - cigarettes, and three - drinks.

Evgeny Tsaplenkov

The problem has no solution. According to the condition of the problem, fish can be bred and raised by anyone, since they are not animals, and even more so drinks and cigarettes. In addition, the fish do not care about the nationality, color and location of the house. An incorrect task was invented either by a moron, or designed for attentiveness.

Einstein's riddle.

Paweł

Since an Englishman lives in a red house, it means that a Norwegian cannot live in red. Equally, a Norwegian cannot live in blue. He cannot live in white either, since the green house is to the left of the white one, and the house of the Norwegian is on the left. He also cannot live in green, since to the right of the green is the white house, and to the right of the Norwegian is the blue one. So he lives in yellow. From this we also conclude that the Norwegian smokes Dunhill.

Further, since the green house is to the left of the white one, it means that it has a number either 3 or 4. However, in the third, average house they drink milk, and in the green house they drink coffee, which means the number of the green house = 4. So we have a white house is number 5, and red is number 3. An Englishman lives here. Coffee is drunk in the 4th house.

Further, since a German smokes Marlboro, he does not smoke Philip Morris, and therefore does not drink beer. Nor does he drink the milk that the Englishman drinks. Nor does he drink tea - the Dane does. This means that the German drinks either water or coffee. A Norwegian cannot drink beer (he smokes other cigarettes), milk (not an Englishman), coffee (does not live in a green house), tea (not a Dane). So the Norwegian drinks water, and then the German drinks coffee, and lives in a green house. Plus, do not forget that the German smokes Marlboro. And since a Norwegian drinks water with us, then his neighbor (second house) smokes Rotmans.

Since a Swede raises dogs in our country, he cannot live in the second house (horses are raised there), so he lives in the fifth house (white). This means that a Dane lives in the second house who drinks tea.

Since the smoker Pell Mell raises birds, then this is not a Swede, which means an Englishman. Consequently, the Swede smokes Philip Morris and drinks beer.

Rotmans is a smoker from a Dane who lives in the second house. To the right of him lives an Englishman who raises birds, which means that the second neighbor of the Dane (on the left), a Norwegian, raises these cats. And then the fish are raised by a German. The answer has been found.

Answer: Fish breeds: GERMAN !! !

Einstein's riddle! 98% of people cannot solve it! (cm.)

Sauron

1st House: Yellow, Norwegian, Water, Cats, Dunhill
2nd House: Blue, Dane, Tea, Horses, Rothmans
3rd House: Red, Englishman, Milk, Birds, Pall Mall
4th house: green, GERMAN, coffee, fish, Marlboro
5th House: White, Swede, Beer, Dogs, Philip Morris
or
1st House: Green, Coffee, Norwegian, Birds, Pall Mall
2nd house: blue, water, German, horses, Marlboro,
3rd house: red, milk, ENGLISH, fish, Rothmans,
4th House: Yellow, Tea, Dane, Cats, Dunhill,
5th House: White, Beer, Swede, Dogs, Philip Morris
There is no single solution.

suzy

The Norwegian is raising fish ... :)
Herring ... :)))
**************************************
2% of those guessed right sit in the "Answers" ... :)))))))))))
**************************************
The site is alarming - HOHMA. WHOM ... :))))))))))))))))))))
**************************************
/> **************************************
I don’t understand one thing, if so many people know that this is German, why% of those who guessed it only 2…. :)))
**************************************
Before closing the question, please give an explanation? 🙂

Guess the Einstein riddle, who is raising the fish? link

Evgeny Bryzgalov

1) An Englishman lives in a red house.
2) The Swede keeps the dog
3) Dane drinks tea
4) The green house stands to the left of the white one and they stand side by side.
5) The tenant of the green house drinks coffee
6) The person who smokes Pall Mall holds a bird
7) The tenant from the middle house drinks milk
8) The tenant from the yellow house smokes Dunhill
9) The Norwegian lives in the first house
10) the Marlboro smoker lives next to the one who keeps the cat
11) The man who keeps the horse lives next to the man who smokes Dunhill
12) Winfield Cigarette Smoker Drinks Beer
13) the Norwegian lives near the blue house
14) German smokes Rothmans
15) A Marlboro smoker lives next door to a man who drinks water

16) from 9) and 13) it follows that the second house is BLUE

17) The first house is neither white nor green.
18) the green house cannot be the third, since 5) and 7) a contradiction
19) the green house is the fourth, then the white is the fifth
20) from 9) and 1) it follows that the first house is NOT red. It means it is yellow.

HAVE (using sequentially 1) 9) 5) 7) 8) and 11))

yellow-blue-red-green-white
Norwegian - ***** - English - ******* - *****
****** - ***** - milk-coffee - *****
Dunhil - ***** - ******* - ******* - *****
****** - horses - ******* - ******* - *****

It is obvious from 3) that a Dane can live in either the second or the fifth house.

Let him live in the fifth (hypothesis ** 1)
yellow-blue-red-green-white
Norwegian - ***** - English - ******* - Dutch
****** - ***** - milk-coffee - tea
Dunhil - ***** - ******* - ******* - *****
****** - horses - ******* - ******* - *****

then for 12) one nest remains and by the method of elimination we get water in the first house

yellow-blue-red-green-white
Norwegian - ***** - English - ******* - Dutch
water - beer - milk-coffee - tea
Dunhil Vinfi - ******* - ******* - *****
****** - horses - ******* - ******* - *****

But here we have a contradiction with 15)

Hypothesis ** 1 is rejected. Dane in the second house. Similarly, we have

yellow-blue-red-green-white
Norwegian-Dutch-English - ******* - *****
water - tea - milk-coffee - beer
Dunhil - ***** - ******* - ******* - Vincy
****** - horses - ******* - ******* - *****

from 15) we have

yellow-blue-red-green-white
Norwegian-Dutch-English - ******* - *****
water - tea - milk-coffee - beer
Dunhil Malb - ******* - ******* - Vincy
****** - horses - ******* - ******* - *****

Then 14) requires being in the fourth house

Easily prescribe (with the exception of) the Swede and Pal Mal
yellow-blue-red-green-white
Norwegian-Dutch -English -German -Swedish
water - tea - milk - coffee - beer
Dunhil-Malb-Pal Mal-Rotmans-Vinfi
****** - horses - ******* - ******* - *****

Well, the last step is trivial

The dog goes to the fifth house
Bird in third
The cat is next to the second, but the third is busy - we go out and put it in the first house.
Fish in the fourth.

Einstein's riddle

Voldemaras Merenok-Rubinchik

The Einstein Riddle is a well-known logic problem attributed to Albert Einstein. It is believed that this puzzle was created by Albert Einstein during his childhood. It is also believed that it was used by Einstein to test candidate assistants for the ability to think logically. Some attribute the reasoning to Einstein in which he claims that only two percent of the world's population is able to operate in the mind of patterns associated with five signs at once. As a partial consequence of this, the above puzzle can only be solved without the use of paper by those who belong to this two percent. However, there is no documentary evidence that Einstein ever made this claim.
In its most difficult edition, the problem involves a mental solution, without the use of any records or means of preserving information. Without this, the puzzle noticeably loses in complexity, since it can be solved by simply drawing up a table with the exclusion of obviously contradictory options - and therefore says little about the subject's abilities.
There are many different options for the conditions of the problem. In some of them, the question of the riddle sounds like "Who breeds the fish?", In others the zebra is an unknown animal. The nationalities of the five mentioned people also change.Here is the first known published version of the puzzle, appearing in Life International magazine on December 17, 1962. The May 25, 1963 issue contained the solution below and a list of several hundred readers' names who solved the problem correctly.

Einstein's riddle. Who Raises the Fish?

Quote post by Akmaya Read it in its entirety into your quote book or community!

Einstein's Riddle: Who Raises the Fish?

5 different people in 5 different houses of different colors, smoke 5 different brands of cigarettes, raise 5 different types of animals, drink 5 different types of drinks.
Question: who is raising the fish?

Hints:

The Norwegian lives in the first house.

The Englishman lives in the red house.
The green house is to the left of the white one.
The Dane is drinking tea.
The one who smokes Rothmans lives next to the one who
raises cats.
The one who lives in the yellow house smokes Dunhill.
The German smokes Marlboro.
The one who lives in the center drinks milk.
The Rothmans smoker's neighbor drinks water.
Pall Mall smokers raise birds.
The Swede raises dogs.
The Norwegian lives next to the blue house.
The one who raises horses lives in a blue house.
Anyone who smokes Philip Morris drinks beer.
They drink coffee in the green house.

The solution of the problem

So, we have 25 positions that need to be filled with the following data:

Nationality: Norwegian, English, Dane, German, Swedish.

House color: Red, Green, White, Yellow, Blue.
Cigarette brand: Rotmans, Dunhill, Marlborough, Pell Mell, Philip Morris.
Animal: Cats, Birds, Dogs, Horses, Fish.
Drink: Tea, Milk, Water, Beer, Coffee.

In fact, we need to fill out the following plate:

House number

1
2
3
5
Nationality
House color
Cigarettes
Animal
Drink

From the tips, we immediately fill in a number of table cells:

The Norwegian lives in the first house.
The Norwegian lives next to the blue house.
The one who raises horses lives in a blue house.
The one who lives in the center drinks milk.

House number

1
2
4
5
Nationality
House color
Cigarettes
Animal
Drink

Norwegian
	Blue
	Horses
	Milk

Since an Englishman lives in a red house, it means that a Norwegian cannot live in red. Equally, a Norwegian cannot live in blue. He cannot live in white either, since the green house is located to the left of the white one, and the house of the Norwegian is the most left. He also cannot live in green, since to the right of the green is a white house, and to the right of the Norwegian is a blue one. So he lives in yellow. From this we also conclude that the Norwegian smokes Dunhill.

House number

2
3
4
5
Nationality
House color

Cigarettes

Animal
Drink

Norwegian
Yellow	Blue
Dunhill
	Horses
		Milk

Further, since the green house is to the left of the white house, it means that it has the number either 3 or 4. However, in the third, average house they drink milk, and in the green house they drink coffee, which means the number of the green house = 4. So we have a white house is number 5, and red is number 3. An Englishman lives here. Coffee is drunk in the 4th house.

House number

2
3
4
5
Nationality
House color
Cigarettes
Animal
Drink

Norwegian		Englishman
Yellow	Blue	Red	Green	White
Dunhill
	Horses
	Milk	Coffee

Further, since a German smokes Marlboro, he does not smoke Philip Morris, and therefore does not drink beer. Nor does he drink the milk that the Englishman drinks. Nor does he drink tea — the Dane does. This means that the German drinks either water or coffee. A Norwegian cannot drink beer (he smokes other cigarettes), milk (not an Englishman), coffee (does not live in a green house), tea (not a Dane). So the Norwegian drinks water, and then the German drinks coffee, and lives in a green house. Plus, do not forget that the German smokes Marlboro. And since a Norwegian drinks water with us, then his neighbor (second house) smokes Rotmans.

House number

2
3
4
5
Nationality
House color
Cigarettes
Animal
Drink

Norwegian		Englishman	German
Yellow	Blue	Red	Green	White
Dunhill	Rotmans		Marlboro
	Horses
Water		Milk	Coffee

Since a Swede raises dogs in our country, he cannot live in the second house (horses are raised there), so he lives in the fifth house (white). This means that a Dane lives in the second house who drinks tea.

House number

2
3
4
5
Nationality
House color
Cigarettes
Animal
Drink

Norwegian	Dane	Englishman	German	Swede
Yellow	Blue	Red	Green	White
Dunhill	Rotmans		Marlboro
	Horses		Dogs
Water	Tea	Milk	Coffee

Since the smoker Pell Mell raises birds, then this is not a Swede, but therefore an Englishman.Consequently, the Swede smokes Philip Morris and drinks beer.

House number

1
2
3
4
5
Nationality
House color
Cigarettes
Animal

Drink

Norwegian	Dane	Englishman	German	Swede
Yellow	Blue	Red	Green	White
Dunhill	Rotmans	Pell Mell	Marlboro	Philip Morris
	Horses	Birds		Dogs
Water	Tea	Milk	Coffee	Beer

And now we have the last clue:

Someone who smokes Rothmans lives next to someone who grows cats.

Rotmans is a smoker from a Dane who lives in the second house. To the right of him lives an Englishman who raises birds, which means that the second neighbor of the Dane (on the left), a Norwegian, raises these cats. And then the fish are raised by a German. The answer has been found.

House number

2
3
4
5
Nationality
House color
Cigarettes
Animal
Drink

Norwegian	Dane	Englishman	German	Swede
Yellow	Blue	Red	Green	White
Dunhill	Rotmans	Pell Mell	Marlboro	Philip Morris
Cats	Horses	Birds	Fishes	Dogs
Water	Tea	Milk	Coffee	Beer

ANSWER: the fish are raised by a German!

Is it possible to solve the Einstein riddle. who raises the fish?

Irina Korneeva

Do you mean this task?
Condition:
1.There are five home.
2. Each house has one person who is different from another nationality.
3. Each tenant drinks only one specific drink, smokes a specific brand of cigarettes and keeps an animal.
4. None of the five people drink the same drinks, smoke the same cigarettes or keep the same animals.

1. An Englishman lives in a red house.
2. The Swede keeps the dog.
3. The Dane drinks tea.
4. The green house is to the left of the white
5. The tenant of the green house drinks coffee.
6. The person who smokes Pallmall is holding a bird.
7. The tenant of the yellow house smokes Dunhill
8. The tenant of the middle house drinks milk.
9. The Norwegian lives in the first house
10. The Marlboro smoker lives next to the one who keeps the cat.
11. The man who keeps the horse lives next to the man who smokes Dunhill
12. Winfield smoker drinks beer.
13. The Norwegian lives by the blue house
14. German smokes Rothmans
15. A Marlboro smoker lives next door to a man who drinks water
In this case, the answer is German.
Draw a plate for yourself, in which horizontally fill in the columns:
HouseAnimalDrink Smokes
and vertically Nationality. Divide the available information into graphs and get the following:
NorwegianYellow 1CatWaterDunhill
SwedeWhite 5DogBeerWinfield
EnglishmanRed 3 (middle) BirdMilkPallmall
GermanGreen 4FishCoffeeRotmans
DaneBlue 2HorseTeaMalboro

Einstein's riddle. 5 different people in 5 different houses of different colors, smoke 5 different brands of cigarettes, grow 5 different types

Mexican Scoundrel Antonio

German.
So, we have 25 positions that need to be filled with the following data:

* Nationality: Norwegian, English, Dane, German, Swedish.

* House color: Red, Green, White, Yellow, Blue.
* Brand of cigarettes: Rotmans, Dunhill, Marlborough, Pell Mell, Philip Morris.
* Animal: Cats, Birds, Dogs, Horses, Fish.
* Drink: Tea, Milk, Water, Beer, Coffee.

In fact, we need to fill out the following plate:

House number 1 2 3 4 5
Nationality
House color
Cigarettes
Animal
Drink

From the tips, we immediately fill in a number of table cells:

* The Norwegian lives in the first house.

* The Norwegian lives next to the blue house.
* The one who raises horses lives in a blue house.
* The one who lives in the center drinks milk.

House number 1 2 3 4 5

Nationality Norwegian
House color Blue
Cigarettes
Animal Horse
Milk drink

Since an Englishman lives in a red house, it means that a Norwegian cannot live in red. Equally, a Norwegian cannot live in blue. He cannot live in white either, since the green house is to the left of the white one, and the house of the Norwegian is on the left. He also cannot live in green, since to the right of the green is a white house, and to the right of the Norwegian is a blue one. So he lives in yellow. From this we also conclude that the Norwegian smokes Dunhill.

House number 1 2 3 4 5
Nationality Norwegian
House color Yellow Blue
Dunhill cigarettes
Animal Horse
Drink Milk

Further, since the green house is to the left of the white house, it means that it has the number either 3 or 4. However, in the third, average house they drink milk, and in the green house they drink coffee, which means the number of the green house = 4. So we have a white house is number 5, and red is number 3. An Englishman lives here. Coffee is drunk in the 4th house.

House number 1 2 3 4 5
Nationality Norwegian Englishman
House color Yellow Blue Red Green White
Dunhill cigarettes
Animal Horse
Drink Milk Coffee

Further, since a German smokes Marlboro, he does not smoke Philip Morris, and therefore does not drink beer. Nor does he drink the milk that the Englishman drinks. Nor does he drink tea - the Dane does. This means that the German drinks either water or coffee. A Norwegian cannot drink beer (he smokes other cigarettes), milk (not an Englishman), coffee (does not live in a green house), tea (not a Dane). So the Norwegian drinks water, and then the German drinks coffee, and lives in a green house. Plus, do not forget that the German smokes Marlboro. And since a Norwegian drinks water with us, then his neighbor (second house) smokes Rotmans.

House number 1 2 3 4 5
Nationality Norwegian English German
House color Yellow Blue Red Green White
Dunhill Rotmans Marlborough cigarettes
Animal Horse
Drink Water Milk Coffee

Since a Swede raises dogs in our country, he cannot live in the second house (horses are raised there), so he lives in the fifth house (white). This means that a Dane lives in the second house who drinks tea.

House number 1 2 3 4 5
Nationality Norwegian Dane English German Swedish
House color Yellow Blue Red Green White
Dunhill Rotmans Marlborough cigarettes
Animal Horse Dogs
Drink Water Tea Milk Coffee

Since the smoker Pell Mell raises birds, then this is not a Swede, which means an Englishman. Consequently, the Swede smokes Philip Morris and drinks beer.

House number 1 2 3 4 5
Nationality Norwegian Dane English German Swedish
House color Yellow Blue Red Green White
Cigarettes Dunhill Rotmans Pell Mell Marlborough Philip Morris
Animal Horse Birds Dogs
Drink Water Tea Milk Coffee Beer

And now we have the last clue:

* Someone who smokes Rothmans lives next to someone who grows cats.

Rotmans is a smoker from a Dane who lives in the second house. To the right of him lives an Englishman who raises birds, which means that the second neighbor of the Dane (on the left), a Norwegian, these koshe

Irina Ruderfer

German
To solve the problem, we fill in the “five by five” matrix and logically move along one criterion, it takes a long time to paint, especially since the explanation has already been written off from somewhere above. But I found it myself, without looking at the clues. However, this is no longer interesting to anyone.

Who could guess the Einstein riddle?

Engineer77

Decided. The fish is in the possession of the German.
Draw a table
Take paper, pen and draw a table:
| 1 house | 2 house | 3 house | 4 house | 5 house |
—————————————-
| ______ | ______ | ______ | ______ | ______ | - nationality
| ______ | ______ | ______ | ______ | ______ | - Colour
| ______ | ______ | ______ | ______ | ______ | - drink
| ______ | ______ | ______ | ______ | ______ | - cigarettes
| ______ | ______ | ______ | ______ | ______ | - animal
Indicate what cannot be and what is. It's simple.
Solution: Yellow - Norwegian - Water - Dunhill - Cat
blue - Dane - tea - Malboro - horse
red - English - milk - Pall Mall - bird
green - German - coffee - Rothmans - fish
white - Swede - beer - Winfield - dog

Winston wolfe

Damn, I guessed this riddle, and my classmate guessed it, and it turns out that people like us are 2%, I can’t believe it. Rather, it was like this before, but right now people seem to be smarter, maybe already 10%. And I guessed the riddle, I was soaring in debt, there are all the options for ndo to sort out and build exceptions, I will say the answer with a stalemate, when I find the answer, I stuck it somewhere, I can’t find a waste ()

Similar articles

The page of the magazine with the riddle given in the article

Einstein's riddle - a well-known logical problem, according to legend, created by Albert Einstein during his childhood. It is also believed that it was used by Einstein to test candidate assistants for their logical thinking ability. Lewis Carroll is sometimes called the author of the puzzle. However, there is no evidence that the problem was invented by Einstein or Carroll. Moreover, the problem statement below mentions brands of cigarettes, for example Kool, that did not exist during Carroll's lifetime and during Einstein's childhood.

Some attribute the reasoning to Einstein, in which he claims that only two percent of the world's population is able to operate in the mind with patterns associated with five signs at once. As a partial consequence of this, the above puzzle can be solved without the use of paper only by those who belong to this two percent. However, there is no documentary evidence that Einstein ever made this claim.

In its most difficult form, the problem involves a mental solution, without the use of any records or means of preserving information. Without these restrictions, the puzzle noticeably loses in complexity, since it can be solved by simple compilation of a table with the exclusion of obviously contradictory options, and, therefore, says little about the subject's abilities.

Original text of the problem

Here is the first known published version of the puzzle that appeared in the magazine Life in the issue of December 17, 1962. The March 25, 1963 issue contained the answer below and a list of several hundred readers' names who solved the problem correctly.

1. There are five houses on the street.
2. The Englishman lives in the red house.
3. The Spaniard has a dog.
4. They drink coffee in the green house.
5. The Ukrainian is drinking tea.
6. The green house is located immediately to the right of the white house.
7. Anyone who smokes Old Gold breeds snails.
8. Kool is smoked in the yellow house.
9. Milk is drunk in the central house.
10. The Norwegian lives in the first house.
11. The Chesterfield smoker's neighbor keeps a fox.
12. Kool is smoked in the house next to the one where the horse is kept.
13. Anyone who smokes Lucky Strike drinks orange juice.
14. The Japanese smokes Parliament.
15. The Norwegian lives next to the blue house.

Who drinks the water? Who is holding the zebra?

For the sake of clarity, it should be added that each of the five houses is painted in a different color, and their inhabitants are of different nationalities, own different animals, drink different drinks and smoke different brands of American cigarettes. Another note: in statement 6 on right means right relative you.

Original text (English)

1. There are five houses.
2. The Englishman lives in the red house.
3. The Spaniard owns the dog.
4. Coffee is drunk in the green house.
5. The Ukrainian drinks tea.
6. The green house is immediately to the right of the ivory house.
7. The Old Gold smoker owns snails.
8. Kools are smoked in the yellow house.
9. Milk is drunk in the middle house.
10. The Norwegian lives in the first house.
11. The man who smokes Chesterfields lives in the house next to the man with the fox.
12. Kools are smoked in the house next to the house where the horse is kept.
13. The Lucky Strike smoker drinks orange juice.
14. The Japanese smokes Parliaments.
15. The Norwegian lives next to the blue house.

Now, who drinks water? Who owns the zebra?

In the interest of clarity, it must be added that each of the five houses is painted a different color, and their inhabitants are of different national extractions, own different pets, drink different beverages and smoke different brands of American cigarets. One other thing: in statement 6, right means your right.

— Life International, December 17, 1962

The premise omits some essential details, in particular the fact that the houses are arranged in a row.

Since the condition does not say that anyone drinks water at all or holds a zebra, these statements are assumed to be implicit premises, as is customary in such logical problems. Otherwise, the answer is “Not enough data”.

Premise 12 in the original was formulated not entirely correctly. It should read “Kools are smoked in a house next to the house where the horse is kept ", not"the house ", because in this case" the "means that next to the house in which the horse is kept, there is only one house, from which, in turn, it follows that the house with the horse is either the extreme left or the extreme right. As a result, this leads to a contradiction.

Solution

Here are the deductive steps you can follow to get a solution. The essence of the method is to try to fit the known relationships into the table, consistently excluding impossible options. Key findings are in italics.

Step 1

By condition, the Norwegian lives in the first house (10). It does not matter where - from the left or from the right - the numbering is carried out. We are only interested in the order of the houses, not the direction in which they are numbered.

From (10) and (15) it follows that the second house is blue. What color is the first house? Not green and not white, because they have to stand side by side (this follows from the 6th premise and the fact that the 2nd house is blue). Not red because an Englishman lives there (2). therefore first house is yellow.

It follows that Kool is smoked in the first house (8), and a horse is kept in the second house (12).

What does a Norwegian who lives in the first, yellow house and smokes Kool drink? This is not tea, since tea is drunk by a Ukrainian (5). And not coffee, because coffee is drunk in a green house (4). And not milk, which is drunk in the third house (9). And not orange juice, because the person who drinks the juice smokes Lucky Strike (13). Therefore, the Norwegian drinks water, and this is the answer to the first question of the riddle.

yellow	blue	?	?	?
Norwegian	?	?	?	?
water	?	milk	?	?
Kool	?	?	?	?
?	horse	?	?	?

Step 2

Then what is smoking in the second, blue house, where, as we know, the horse is kept?

This is not the Kool smoked in the first house (8). And not Old Gold, because the one who smokes them breeds snails (7).

Let's say that Lucky Strike is smoked in it, which means that orange juice is drunk here (13). In that case, who can live here? This is not a Norwegian - he lives in the first house (10).Not an Englishman - his house is red (2). Not a Spaniard, as a Spaniard has a dog (3). Not Ukrainian, because the Ukrainian drinks tea (5). And not a Japanese man who smokes Parliament (14). Since this situation is impossible, it is not Lucky Strike who smoke in the second house.

Suppose that Parliament is smoked in the second house, from which it follows that a Japanese lives here (14). In that case, what is he drinking? Not tea, since tea is drunk by a Ukrainian (5). Not coffee - they drink coffee in a green house (4). Not milk - milk is drunk in the third house (9). And not juice, because the juice is drunk by a person who smokes Lucky Strike (13). So, this situation is also impossible, and Parliament is not smoking in the second house.

Consequently, the second house smokes Chesterfield.

What is the nationality of the person living in the second, blue house, preferring Chesterfield and keeping a horse? This is not a Norwegian - he is in the first house (10). Not an Englishman - he's in the red house (2). Not a Spaniard - a Spaniard has a dog (3). Not Japanese - Japanese smokes Parliament (14). This means that a Ukrainian lives in the second house and, as follows from (5), drinks tea!

yellow	blue	?	?	?
Norwegian	Ukrainian	?	?	?
water	tea	milk	?	?
Kool	Chesterfield	?	?	?
?	horse	?	?	?

Step 3

Since Chesterfield is smoked in the second house, we learn from (11) that the fox is kept either in the first or in the third house.

Let's first assume that the fox is in the third house. In that case, what does a person who smokes Old Gold and breeds snails drink (7)? We have already eliminated water and tea in the previous steps. He also cannot drink juice, since the person who smokes Lucky Strike drinks the juice (13). Milk is also not suitable - it is drunk in the third house (9), where, as we assumed, the fox is kept. There remains coffee, which, according to the condition, is drunk in the green house (4).

So, if a fox is kept in the third house, then a person lives in a green house who smokes Old Gold, breeds snails and drinks coffee. Who is this person? He is not Norwegian - Norwegian in the first house (10). Not a Ukrainian - he drinks tea (5). Not an Englishman - he lives in a red house (2). Not Japanese - he smokes Parliament (14). And not a Spaniard - a Spaniard has a dog (3).

This situation is impossible. From which it follows that the fox is kept in the first houserather than the third.

yellow	blue	?	?	?
Norwegian	Ukrainian	?	?	?
water	tea	milk	?	?
Kool	Chesterfield	?	?	?
a fox	horse	?	?	?

Step 4

From the above, it follows that coffee and orange juice are drunk in the fourth and fifth houses. It doesn't matter which drink is in which house; let's just call them "the house where they drink juice" and "the house where they drink coffee."

So where does the man who smokes Old Gold and breeds snails live? Not in a house where they drink juice because they smoke Lucky Strike (13).

Suppose he lives in a house where they drink coffee. Then the person who smokes Old Gold, breeds snails and drinks coffee lives in a green (4) house. Again, for the same reasons as in step 3, this is not possible.

This means that the person who smokes Old Gold and breeds snails lives in the third house.

yellow	blue	?	?	?
Norwegian	Ukrainian	?	?	?
water	tea	milk	?	?
Kool	Chesterfield	Old gold	?	?
a fox	horse	snails	?	?

It follows that Parliament is smoked in a green house, where they drink coffee, and a Japanese lives there (14). This means that the Spaniard is the one who drinks orange juice, smokes Lucky Strike and keeps the dog. Continuing this reasoning, we come to the conclusion that an Englishman should live in the third house, and this house is red. By elimination, we find that the Spaniard's house is white.

yellow	blue	Red	White	green
Norwegian	Ukrainian	Englishman	Hispanic	Japanese
water	tea	milk	the juice	coffee
Kool	Chesterfield	Old gold	Lucky strike	Parliament
a fox	horse	snails	dog	?

Now we have filled in all but one of the blanks, and obviously the Japanese man is holding the zebra.

Answer

yellow	blue	Red	White	green
Norwegian	Ukrainian	Englishman	Hispanic	Japanese
water	tea	milk	the juice	coffee
Kool	Chesterfield	Old gold	Lucky strike	Parliament
a fox	horse	snails	dog	zebra

Comment

The above solution implicitly assumed that the first house is on the far left. If we assume that the first house is on the far right, we get a slightly different situation, but the same answer. The Norwegian is still drinking water, and the Japanese is holding a zebra.

White	green	Red	blue	yellow
Hispanic	Japanese	Englishman	Ukrainian	Norwegian
the juice	coffee	milk	tea	water
Lucky strike	Parliament	Old gold	Chesterfield	Kool
dog	zebra	snails	horse	a fox

Other formulations of the problem statement

There are many different options for the conditions of the problem. In some of them, the first premise of the original condition is stipulated separately or implicitly, and instead of it another is introduced, which often facilitates the solution of the problem. Instead of two questions, they often leave one, for example, "Who breeds fish?" Sometimes, instead of brands of cigarettes, vehicles or plant names are indicated. The nationalities of the five mentioned people also change. For example, a very common option on the Internet is the following:

There are five houses in a row on one street, each of its own color. A person lives in each, all five are of different nationalities. Each person prefers a unique brand of cigarette, drink, and pet. Besides:

1. The Norwegian lives in the first house.
2. The Englishman lives in the red house.
3. The green house is to the left of the white one, next to it.
4. The Dane is drinking tea.
5. Anyone who smokes Marlboro lives next to someone who raises cats.
6. The one who lives in the yellow house smokes Dunhill.
7. The German smokes Rothmans.
8. The one who lives in the center drinks milk.
9. The neighbor who smokes Marlboro drinks water.
10. Pall Mall smokers raise birds.
11. The Swede raises dogs.
12. The Norwegian lives next to the blue house.
13. The one who raises horses lives in a blue house.
14. Whoever smokes Winfield drinks beer.
15. They drink coffee in the green house.

Question:

Who breeds the fish?

There are also interpretations of the problem conditions in the network in which the green and white houses are to the left or to the right of each other, but not necessarily next to each other. Such a condition makes sense only when you specify some additional data, for example, when the direction of house numbering is explicitly set. Otherwise, it will not be possible to obtain an unambiguous solution.

Notes (edit)

1. ↑ The history of the riddle on the web.
2. ↑ James Little, Cormac Gebruers, Derek Bridge, & Eugene Freuder. Capturing Constraint Programming Experience: A Case-Based Approach (PDF). Cork Constraint Computation Center, University College, Cork, Ireland. Retrieved October 21, 2011. Archived February 4, 2012.
3. ↑ Jeremy Stangroom. Einstein's Riddle: Riddles, Paradoxes, and Conundrums to Stretch Your Mind. - Bloomsbury USA, 2009. - P. 10-11. - ISBN 978-1-59691-665-4.
4. ↑ Life International, December 17, 1962, P. 95.

Links

• The history of the publication of the riddle on the Internet and its distribution
• From Einstein to Sherlock Holmes (Deductive Database Search Method)