Option number 945
1. Write down in numbers the number twenty-eight million fifteen thousand three hundred and two.
2. What number must be written in the numerator for the equality to be true?
3. Find the value of the expression 10.3 - 4.09 + 0.4.
4. 33 dogs were delivered to the base in Antarctica. Of all the dogs, they made up a team, on which they went on a hike. How many dogs were not included in the team?
5. Find the meaning of the expression
6. The length of the segment on the map is 3 cm. Find the length of the corresponding segment on the terrain if the map scale is 1: 1,000,000.
Write down the solution and answer.
7. The box holds 20 kg of apples. How many boxes do you need to prepare to store 250 kg of apples?
8. The cost of manufacturing one machine is 650 rubles. The introduction of new technology has reduced the cost of the machine by 2%. What is the cost of such a machine?
9. Find the value of the expression (971.1: 23.4 - 211.14: 6.9) · (6.5704: 0.86).
Write down the solution and answer.
10. A ticket to the New Year's performance "On a visit to Santa Claus" costs 800 rubles for an adult, half the cost of an adult ticket for a schoolchild, and a quarter of the cost of an adult ticket for a preschooler. How much rubles should a family of two parents, two schoolchildren and one three-year-old have to pay for tickets?
Write down the solution and answer.
11. Pyotr Ivanovich grows carrots, onions and beets. He grew each vegetable on a separate plot for four years. Pyotr Ivanovich enters in the table the number of kilograms of the crop that he receives from each site per year. Using the table, answer the question.
Years in order
Carrot
Onion
Beet
First year
750 kg
560 kg
690 kg
Second year
720 kg
380 kg
740 kg
Third year
630 kg
730 kg
680 kg
Fourth year
690 kg
710 kg
620 kg
Which vegetable was the most productive in the second year?
12. The diagram shows the average monthly air temperature in Yekaterinburg (Sverdlovsk) for each month of 1973. The horizontal indicates the months, the vertical indicates the temperature in degrees Celsius. Using the diagram, answer the question.
Which month of autumn was the coldest?
13. The plan of the site shows the water supply.
Find the length of the laid pipe. Give your answer in meters.
14. The figure shows the plan of the pond.
How many cubic meters of water will it take to fill this pond? For 1 m2 of surface, 4 m3 of water is required.
15. Find the volume of a box that has the shape of a rectangular parallelepiped. Give your answer in cm3.
16. In one box there are two white balls, in the other - two black, in the third - one white and one black. Each box has a picture, but it incorrectly indicates the contents of the box. From which box, without looking, should you remove the ball so that you can determine the contents of each box?
Write down the solution and answer.
