Begging for application questions

Application questions or calculation questions?

A bridge is 1275 meters long. A train crosses the bridge. It takes 100 seconds from the time the train head bridges to the time the whole train leaves the bridge, and the whole train They are all on the bridge and the time it takes for all the cars to be on the bridge is 70 seconds. How many meters long is the train? How many kilometers per hour does it travel?

A cylindrical bucket has a bottom diameter of 4 decimeters. The water surface in the bucket is 5 decimeters from the mouth. Some pebbles are put into the bucket. The water overflows by 3 kilograms. Find the volume of the pebbles. (1 cubic decimeter of water weighs 1 kilogram)

Li Qiang practiced running on a 400-meter circular track and ran 3 laps. In the first half of the time, he ran 230 meters per minute, and in the latter period he ran 250 meters per minute. M, how many minutes did it take him to run the first half of the road?

The joke is about going from school to the children's park. I originally planned to walk 90 meters per minute, but actually walked 10 meters less per minute. This took 8 minutes longer. How many meters away is the school from the children's park?

The distance between the trees in the row on the roadside is equal. Xiaoling and Xiaofen start from the first tree and walk forward at the same time. When Xiaoling reaches the 16th tree, she looks back and sees that Xiaofen is different from herself. Where the number of trees is 3, knowing that Xiaofen walks 72 meters per minute, how many meters does Xiaoling walk per minute?

Chen Qing rides a bicycle at 12 kilometers per hour. It takes 10 minutes less to walk 1 kilometer than walking. The speed at which he rides a bicycle is several times that of walking

7 , a certain unit asked Xiao Wang to temporarily help with work, and the stipulation was that the period would be one year, and the compensation would be RMB 660 and a radio cassette player. However, Xiao Wang has been working for 7 months and cannot continue to help due to emergencies. As a result, this unit paid Xiao Wang a cassette player and RMB 150 as agreed. Could you please calculate how much this radio is worth?

8. The road construction team repaired a section of the road. In the first week, they repaired 4/9 of the total length, 300 meters more, and in the second week, they repaired 37.5% of the total length, 40 meters less. It was just completed. How many meters long is this section of road?

9. There are 30 male workers in a certain workshop, and there are 10% fewer female workers than male workers. How many workers are there in the whole workshop?

10. After a railway has been built for 900 kilometers, the remaining part is 300 kilometers less than three-quarters of the total length. How many kilometers is the total length of this railway?

11. There are two chicken coops, large and small. There are 18 fewer chickens in the small cage than in the large cage. If you take 6 chickens from the small cage and put them into the large cage, then the number of chickens in the small cage is equivalent to 4/7 of the large cage. How many chickens are there in each of the large and small cages?

12. There are two barrels, each containing 44 kilograms of oil. If 1/5 is poured out from the first barrel and 2.8 kilograms are put into the second barrel, the oil in the two barrels is equal. How many kilograms of oil does each barrel hold?

13. Xiao Ming borrowed a 120-page story book and has been reading it for two days. Yesterday he read 1/4 of the whole book, which was 5 pages more than the day before yesterday. Which page should he start from today? ?

14. The number of students admitted to a key middle school accounts for 11/100 of the number of applicants, and the number of girls admitted accounts for exactly 2/5 of the total number of admissions. If 10 places are allocated from boys to girls, the ratio of boys to girls will be There are 2 more girls. How many people applied for this key middle school?

15. There are two baskets of apples. It is known that the second basket is 9/10 of the first basket. If 10 kilograms are taken from the first basket and put into the second basket, the weight of the two baskets of apples is equal. . How many kilograms do these two baskets of apples weigh?

16. There is a two-digit number. The number in the tens place is 2/3 of the number in the ones place. Adding 2 to the number in the tens place is equal to the number in the ones place. What is this two-digit number?

There is a cylindrical glass with an inner diameter of 8cm and a depth of 16cm. The water accounts for exactly 80% of the capacity of the glass. How many milliliters should be put in it? How much water does it take to fill this glass?

Two:

The cost of two commodities, A and B, is ***2,000 yuan. Commodity A is priced at a profit of 30%, and commodity B is priced at a profit of 20%. Later, in response to the customer's request, both products were sold at a 10% discount on the list price, and the result was a profit of 277 yuan.

What is the cost of goods A and B?

Three:

There are two floors of bookshelves. There are 173 books in total. After taking 38 books from the first floor, the books on the second floor are larger than those on the first floor. 2 times is 6 more books. How many books are there on the second floor?

Four:

There are two granaries A and B. Granary A has 200 bags more rice than warehouse B. If warehouse B ships 150 bags to warehouse A, then warehouse A currently has 150 bags of rice. The amount of rice left in warehouse B is three times. How many bags of rice are there in warehouse A and warehouse B?

Five:

There are three cars A, B, and C. The cargo loaded in car C is half of that of car B. Car B is 160 kilograms less than car A. The cargo loaded in car A is It is four times that of car C. How many kilograms of cargo can be loaded in three cars A, B and C?