1. The school planned to invest 450,000 yuan in building the school building, and the actual investment was 400,000 yuan. What percent was the actual investment saved? (Zhuji City, Zhejiang)

2. The school planned to use 480 kilowatt hours of electricity in May, but actually used 60 kilowatt hours less. What percent is the actual electricity saving? (Fujian Yunxiao Experimental Primary School)

3. A certain factory planned to produce 400 TV sets in March. In fact, it produced 250 sets in the first half of the month and 230 sets in the second half of the month. It actually exceeded the plan. What percent? (Qingyunpu District, Nanchang City)

4. There are three water pipes A, B, and C. Water pipe A flows out of brine containing 20% ??salt at a flow rate of 4 grams per second, and water pipe B flows out at a flow rate of 6 grams per second. The brine containing 15% salt flows out at a flow rate of 10 grams per second. The water flows out of the water pipe C at a flow rate of 10 grams per second. After the pipe C is opened, it does not flow for 2 seconds, then flows for 5 seconds, then stops for 2 seconds, and then flows for 5 seconds... If the three tubes are opened at the same time and then closed after 1 minute, what percentage of salt does the mixture flowing out contain? (Foreign Language School Affiliated to Wuhan University)

5. There are 75 people in the calligraphy and painting class of Xinguang Primary School and 48 people in the dance class. How many percent more people are there in the calligraphy and painting class than in the dance class? (Nanning City)

6. Xiao Ming used a pack of mung beans for an experiment. There were 100 germinated seeds and 25 ungerminated seeds. Find the germination rate of this pack of mung beans. (Wenling City, Zhejiang)

After reading 4 pages, what fraction of the whole book did you read the next day? (Wuxi City, Jiangsu)

8. When donating to the disaster area, Xiaohua donated 4.2 yuan, which was 0.4 yuan more than Xiaoli. How much more did Xiaohua donate than Xiaoli? (Anyang City, Henan Province)

9. A piece of clothing was sold at a 20% discount for 100 yuan, but it was actually sold for 90 yuan. At what discount was it actually sold? (Xianju County, Zhejiang)

10. The canteen brought 600 kilograms of rice and has been eating it for 4 days, 50 kilograms a day. After eating in the remaining 5 days, how many kilograms will you eat per day on average? (Jianye District, Nanjing City)

11.3 boxes of oranges are 24 kilograms less than 3 baskets of apples. On average, each box of oranges weighs 20 kilograms. How many kilograms does each basket of apples weigh? (Urban area of ??Taizhou City, Zhejiang)

12. During the activity of collecting tree species for greening the motherland, five classes in the fourth grade of a school collected 20 kilograms of tree species each, and three classes in the fifth grade collected 60 kilograms of tree species. Kilogram, how many kilograms of tree species are collected per shift on average? (Shanghai City)

13. Daqiao Township has been building a 2,100-meter-long canal for 5 days, with an average of 240 meters per day. The remaining tasks must be completed within 3 days. How many meters should be repaired per day on average? (Qinhuai District, Nanjing City)

14. Xiao Ming went to the store and bought 3 small footballs. He paid 20 yuan and got 1.85 yuan back. How much is each football? (Yinchuan Experimental Primary School)

15. There are 4 teams in a certain class, each team has 12 young pioneers. In the "Project Hope" donation activity, *** donated 240 yuan. How much does each Young Pioneer donate on average? (Shanghai City)

16. Yucai Primary School bought 2 small footballs and 25 long ropes for a total of 408.5 yuan. The price of each small football is 48 yuan, and the price of each long rope is 408.5 yuan. How much is the selling price? (Nanchang District, Wuxi City, Jiangsu Province)

17. Wang Hua bought 5 copies each of "Fun Mathematics" and "Story King" for 20 yuan a day. Each copy of "Fun Mathematics" costs 2.6 yuan. How much does each copy of "The Story King" cost? (Yanta District, Xi'an City)

18. The transportation team has to transport 89 tons of goods, and the first three times transported 10.5 tons each time. The rest will be transported in 5 shipments. How many tons will be transported on average each time? (Shanghai)

19.4 students played singles on a table tennis table for 60 minutes. How many minutes did each person play on average? (Jianou City, Fujian)

20. The average score of the three subjects of Chinese, mathematics, and general knowledge in the final exam was 95 points, and the average score of the two subjects of Chinese and mathematics was 93 points. Question: Did you take the general knowledge test? How many points? (Jiangshan City, Zhejiang)

21. The students in Class 5(1) planted trees, with 26 boys planting an average of 6 trees each, and 24 girls planting an average of 5 trees each. How many trees do boys and girls plant on average each? (Donghu District, Nanchang City)

22. Li Dong took 5 yuan to buy stationery. He spent 1.5 yuan on pencils, and the remaining money bought exercise books for 0.35 yuan each.

How many exercise books can he buy? (Shanghai Changqing School)

23. If a batch of apples is divided equally among the children in the kindergarten class, each person can get 6 pieces; if it is equally divided among the children in the small kindergarten class, each person can get 3 pieces. If it is divided equally among the children in the older and younger classes, how many pieces can each person get? (Jianye District, Nanjing City)

24. Shixin Watch Factory originally planned to produce 75 watches per day and complete the task in 12 days. It actually takes 10 days to complete the task. How many pieces are actually produced per day on average? (Wuhan Qingshan School)

25. The experimental primary school carried out the "Planting Potted Flowers during Environmental Protection Week" activity. An average of 114 pots were planted every day in the first three days, and a total of 750 pots were planted in the next four days. During the "Environmental Protection Week" How many pots of flowers do you plant on an average day? (Changsha Experimental Primary School)

The remaining 7.5 hours will be completed. How much land will be plowed per hour on average? (Yangxin County, Hubei)

27. A loom can weave 105 meters of cloth in 7 hours. At this speed, how many meters of cloth can be woven in one day for another 8 hours? (Lin'an City, Zhejiang)

28. A car travels 135 kilometers in 3 hours. Based on this calculation, how many kilometers does it travel in 8 hours? (Guilin City, Guangxi)

29.120 kilograms of soybeans can squeeze out 16.2 kilograms of soybean oil. How many kilograms of soybean oil can be squeezed out from 2000 kilograms of soybeans? (Use proportion to solve) (Taishun County, Zhejiang)

30. Two mills in a processing plant can grind 14.4 tons of flour in 3 hours. Based on this calculation, how many tons of flour can be ground by 6 flour mills in 8 hours per day? (Jianou City, Fujian)

31. A garment factory received a task of producing 1,200 shirts, and 40% was completed in the first three days. Based on this calculation, how many days will it take to complete the task? (Write two different solutions) (Shouchun School, Zhongshi District, Hefei City)

32. A certain engineering team wants to lay a road. It has laid 2.8 kilometers in the first 20 days. Calculate it like this , how many days will it take to complete the paving of the remaining 4.2 kilometers of road? (Use the proportion method to solve) (Linhai City, Zhejiang)

33. Fengshou Agricultural Tool Factory manufactures a batch of sickles. The original plan was to manufacture 360 ??pieces per day and complete it in 18 days. In fact, 72 more guns are produced every day. Based on this calculation, how many days will it take to complete the task? (Qingshan District, Wuhan City)

34. Changfeng Electric Fan Factory plans to produce 2,800 fans. 672 units have been produced in the first 6 days. Based on this calculation, how many days of production will it take to complete the task? (Baixia District, Nanjing City)

35. Yumin Primary School opened a factory. It originally planned to bind 21,600 exercise books in 12 days, but actually bound 360 more exercise books per day than the original plan. How many days did it actually take to complete the production task? (Hongqiao District, Tianjin City)

36. Xiaoqing reads a 260-page storybook. He reads 20 pages a day for the first 3 days. If he reads 25 pages a day for the remaining days, it will take a few more days to finish it. ? (Chengzhong District, Xining City)

37. The school bought a 342-meter plastic rope to make a short skipping rope. First, cut 5 pieces of the same length, and use 9 meters per day. According to this calculation, buy it How many pieces of plastic rope can be used to make short skipping ropes? (Gulou District, Nanjing City)

38. The unit price of two baskets of apples is the same. The apples in basket A weigh 64 kilograms and the apples in basket B weigh 48 kilograms. After a part of both baskets is sold, the remaining apples weigh the same. It is known that basket B is sold for 56 yuan less than basket A. How much yuan can basket A’s apples be sold for? (Shouchun School, Zhongshi District, Hefei City)

39. Shixin Watch Factory originally planned to produce 1,000 watches in 25 days, but actually produced 50 watches per day. How many days earlier than planned did it actually complete the task? (Kaifeng City, Henan Province)

40. The TV factory planned to produce 1,200 TV sets in 30 days. It actually produced 10 more TV sets per day than planned. How many days did it actually take to complete the task? (Dongyang City, Zhejiang)

41. The garment factory wants to process a batch of school uniforms. The original plan was to produce 250 sets per day and it could be completed in 30 days. The actual production is 300 sets per day. How many days will it actually take to complete the production? (Use proportion to answer) (Jingdezhen City, Jiangxi Province)

42. A batch of goods was originally planned to be transported 18 tons per day and was completed in 84 days. It was actually transported 21 tons per day. How many days did it actually take to transport it? (Use proportion to solve) (Yinchuan No. 21 Primary School)

43. The assembly team needs to assemble a batch of washing machines. It is planned to assemble 27 units every day and complete the task in 20 days.

30 units are actually assembled every day. How many days does it take to complete the task? (Beitang District, Wuxi City, Jiangsu Province)

44. The canteen of Daqing Primary School transported 24 tons of coal and planned to burn it for 50 days. The actual saving is 0.08 tons per day. How many days did it actually burn? (Yueqing City, Zhejiang Province)

45. The workshop produces a batch of parts, with 65 sets produced every day. After 12 days of production, there are still 130 sets left. How many sets are there in this batch of parts? (Huapo Road Primary School, Jianghan District, Wuhan City)

46. Hope Primary School renovates a multimedia classroom. It is planned to pave the floor with glazed square tiles with a side length of 30 cm. 900 tiles are needed. How many tiles are actually needed to pave the floor with square marble tiles with a side length of 50 cm? (Use proportion knowledge to answer) (Donghu District, Nanchang City)

47. Binding a batch of the same exercise books. The original plan is to bind 16 pages each, and 250 books can be bound. If it is to be bound into 200 books, each How many pages were supposed to fit? (Use proportion to solve) (Guilin City, Guangxi)

48. The garment factory originally planned to make 120 suits, each suit using 4.8 meters of fabric. After improving the cutting method, each suit saves 0.3 meters of cloth. How many suits can be made from the saved cloth? (Shanghai Changqing School)

49. The master processes 192 more parts than the apprentice. It is known that the number of parts processed by the master is 4 times that of the apprentice. How many parts can each process by the master and apprentice? (Use an equation to solve) (Yinchuan No. 21 Primary School)

50. Hongguang Agricultural Tools Factory produced 600 agricultural tools in May, 25% more than April. How many agricultural tools did it produce in April? (Qingshan District, Wuhan City)

51. Hongxing Textile Factory has 174 female employees, 6 fewer than three times the number of male employees. How many employees are there in the entire factory? (Shaoxing County, Zhejiang)

Two methods to solve) (Yinchuan Experimental Primary School)

53. There are 86 students in the third grade of Beilei Primary School, which is twice the number of second-grade students. There are 4 less students. How many students are there in the second grade? (Changsha Experimental Primary School)

54. There are 630 boys in a certain school, and the ratio of boys to girls is 7:8. How many girls are there in this school? (Shangcheng District, Hangzhou City)

55. Zhang Hua read a storybook and read 15% of the whole book on the first day and lost 4 pages. At this time, the ratio of the number of pages read to the number of remaining pages It is 1:7. How many pages are there in this storybook? (Pingyang County, Zhejiang)

56. A bookshelf has two floors. The number of books on the upper floor is three times that of the lower floor. If 30 books from the upper floor are placed on the lower floor, then the number of books on the two floors is exactly equal. How many books are there on each of the two shelves? (Hongkou District, Shanghai)

57. There are 89 books on the first floor of the bookshelf, which is 16 less than on the second floor. The books on the third floor of the bookshelf are on the first and second floors. 1.5 times of and , how many books are placed on the third floor? (Qingyunpu District, Nanchang City)

The ratio of the number of art books to the other two kinds of books is 1:5. There are 180 reference books and literature and art books. How many books are there in the library box? (Wuxi City, Jiangsu)

59. There are two classmates A and B. Student A has saved 27 yuan. After each of them donated 15 yuan to the people in the disaster area, the remaining two students A and B The ratio of the amount of money is 3:4. How many yuan did student B have in savings? (Jingdezhen City, Jiangxi Province)

60. Both Xiaohong and Xiaofang have saved some pocket money. The ratio of their savings is 5:3. During the "Support the Disaster Area" donation event, Xiaohong donated 26 yuan and Xiaofang donated 10 yuan. At this time, the amount of money they had left was equal. How much money does Xiaohong have? (Qingshan District, Wuhan City)

61. The school bought back 315 saplings and planned to plant them among the middle and senior grades at a ratio of 3:4. How many more trees will be planted in the senior grades than in the middle grades? (Chang'an District, Shijiazhuang)

62. The third, fourth and fifth grade *** planted 180 trees, and the ratio of trees planted by the third, fourth and fifth grade was 3:5:7. How many trees should be planted in each of the three grades? (Changshan County, Zhejiang)

63. The school plans to divide tree planting tasks among sixth graders and other grades on a 5:3 basis. As a result, the number of trees planted in the sixth grade accounted for 75% of the total number of trees in the school, and 20 more trees were planted than planned.

How many trees does the school originally plan to plant? (Yanta District, Xi'an City)

64. There are 4 grams of salt in a cup of 80 grams of salt water. Now how many grams need to be added to make the ratio of salt to water in this cup of salt water 1:9? Salt or evaporate how many grams of water? (Deqing County, Zhejiang)

65. The fruit store shipped 540 kilograms of apples and pears, and the weight ratio of apples and pears was 12:15. How many kilograms of pears are shipped? (Baixia District, Nanjing City)

66. The fruit store shipped 300 kilograms of oranges, and the grapes shipped were 50 kilograms more than the oranges. The weight of the apples shipped was twice as much as the grapes, and the apples were shipped more than the oranges. How many kilograms? (Hongkou District, Shanghai)

67. Give 960 kilograms of feed to two professional chicken farmers A and B according to a ratio of 7:5. How many kilograms of more feed does professional household A receive than professional household B? (Qinhuai District, Nanjing City)

68. The rice originally stored in the two warehouses A and B is equal. Now warehouse A ships out 14 tons of rice, and warehouse B ships out 26 tons of rice. At this time, the rice left in warehouse A is 40% more than the rice left in warehouse B. How many tons of rice were originally stored in warehouses A and B? (Jiaxing City, Zhejiang)

69. The school playground is a rectangle with a circumference of 280 meters and a length-to-width ratio of 4:3. How many meters are the length and width of this playground? (Songzi City, Hubei)

70. There is an ingenious and beautiful rectangular flower bed in Bibo Kindergarten. The circumference is 64 meters and the ratio of length to width is 5:3. How many square meters does this flower bed occupy? ? (Changsha Experimental Primary School)

71. On a map with a scale of , the distance between places A and B is measured to be 5 cm. How many kilometers is the actual distance between places A and B? (Donghu District, Nanchang City)

72. A toy factory produces a batch of children's toys. The original plan is to produce 120 pieces per day and complete it in 75 days. In order to welcome the "June 1" Children's Day, it actually took only 60 days to complete the task. How many toys are actually produced every day? (Answer in two ways) (Wenling City, Zhejiang)

73. Two furniture factories A and B produce single desks and chairs of the same specifications. Due to the special characteristics of factories A and B

Can produce 1,500 sets of desks and chairs. Now the two factories are jointly producing, and after reasonable arrangements, they try to give full play to their respective strengths. How many more sets of desks and chairs can the two factories produce each month now than in the past? (Wuhan Foreign Language School)

74. The construction site had to transport 122 tons of cement. After transporting it 18 times with a car with a load of 4 tons, the rest was transported with a car with a load of 2.5 tons. How many times does it take? (Zhuji City, Zhejiang Province)

75. The air conditioner factory produced 1,800 air conditioners in April, and the production in May increased by 10% compared with April. How many air conditioners will *** produce in April and May? (Beitang District, Wuxi City, Jiangsu)

76. The master and the apprentice cooperate to produce a batch of parts. The master produces 40 parts per hour and the apprentice produces 30 parts per hour. For example, when the task is completed, the apprentice produces exactly 450 parts. How many parts are there in this batch? (Qingshan District, Wuhan City)

77. A processes 48 parts per hour, and B processes 36 parts per hour. After two people worked together for 8 hours, 64 scrap products were inspected. How many qualified parts can the two people process per hour on average? (Shanghai)

My brother produced 540 pieces. How many parts are there in this batch? (Cixi City, Zhejiang)

79. To produce 350 parts, A and B completed 80% of the task after 3.5 hours of production. It is known that A does 42 per hour, how many does B do per hour? (Ninghai County, Zhejiang)

80. A and B process the same number of parts at the same time. A increases work efficiency every hour, and it takes another 7.5 hours to complete the entire processing task. At this time, A still has 20 parts left to complete. Find out how many parts can be processed per hour after B improves work efficiency. (Jiangdong District, Ningbo City, Zhejiang)

81. The master and apprentice process a batch of parts. The apprentice has processed 20% of the total number, and the master has processed the total spectrum area)

82. A certain chemical fertilizer The factory produced an average of 24,000 tons of fertilizer per month in the first quarter. The total amount of fertilizer produced in the first two months was 8,000 tons more than that in March. How many thousand tons of fertilizer were produced in March? (Lin'an City, Zhejiang)

Tons.

How many tons are there in this batch of cement? (Dangyang City, Hubei)

84. Hongxing Township harvested 3,600 tons of corn this year, an increase of 20% over last year. How many tons of corn were harvested last year? (Huangpu District, Guangzhou City)

85. It cost 249.6 yuan to buy 6 volleyballs and 8 basketballs. It is known that the unit price of volleyball is 15.6 yuan. How much does a basketball cost? (Yin County, Zhejiang)

There are just as many people who have repaired them as they have not. How many meters long is this section of road? (Qingshan District, Wuhan City)

87. The road construction team built 55 meters of road on the first day. The road built on the second day was three times that of the first day. The road built on the third day was more than the previous two days. The total is 30 meters less. How many meters will the road be built on the third day? (Beitang District, Wuxi City, Jiangsu Province)

There is no pavement for 4,700 meters. How many meters long is this road? (Yueqing City, Zhejiang)

89. The engineering team paved the sports field, covering an area of ??200 square meters in 4 days. According to this progress, the sports field will be paved in 32 days. Find the area of ??the sports field. (Two methods to answer, one of which is a proportional solution) (Dongyang City, Zhejiang)

90. Shixin Watch Factory originally planned to produce 75 watches per day and complete the task in 12 days. The actual production is 15 yuan more per day than planned. How many days will it actually take to complete the task? (Qingshan District, Wuhan City)

91. The assembly team needs to assemble a batch of washing machines. It is planned to assemble 20 units per day and complete the task in 15 days. If 30 units are actually assembled every day, how many days will it take to complete the task? (Use the proportion method to solve) (Chengzhong District, Xi'an City)

92. A machinery factory manufactures a batch of parts. It originally planned to produce 250 parts per day and completed it in 12 days. The actual number of parts produced per day was 1.5 times the original number. . How many days did it actually take to complete this batch of parts? (Shanghai Changqing School)

93. The road construction team built a road. The original plan was to build 3.2 kilometers per day and it could be completed in 45 days. However, the actual construction was 3.6 kilometers per day. How many days could it be completed? (Guilin City, Guangxi)

94. For a project, it takes Team A 12 hours to complete alone and Team B 15 hours to complete alone. Now how many hours do the two teams work together to complete half of the project? (Huangpu District, Guangzhou City)

95. To process a batch of parts, it takes the master 30 hours to complete the processing alone. If the apprentice processes it for 9 hours first, and then the master processes the rest, which will take another 24 hours, then the apprentice How many hours does it take to complete the individual processing? (Jingdezhen City, Jiangxi Province)

Playing alone can be completed in 10 hours. Please tell me how many hours it will take if Xiao Zhang does it alone. (Dangyang City, Hubei Province)

97. A batch of goods can be transported by large and small trucks at the same time, and can be transported in 6 hours. If it is transported by a large truck alone, it can be transported in 10 hours. How many hours will it take to transport it separately using a small truck? (Changshan County, Zhejiang)

A rested for 3 days, B rested for 2 days, and C did not rest. If A’s day’s workload is three times that of C’s day’s work, and B’s day’s workload is twice that of C’s, then on what day from the beginning will this work be completed? (Nanchang Foreign Languages ??School)

99. A can complete a project in 16 days alone, and B can complete it in 12 days alone. Now B will do the work for 3 days first, and A will do the rest. How many days will it take to complete the project? (Shijiazhuang Chang'an District)

If it takes Team B 24 days to complete it alone, how many days will it take Team A to complete it alone? (Qingshan District, Wuhan City)

After 2 days, how many more days will the remaining B be done? (Yinchuan No. 21 Primary School)

102. A project was completed by team A in 15 days and by team B in 12 days. Now after A and B cooperate for 4 days, Team C will complete the remaining project in 8 days.

If this project is done by Team C alone, how many days will it take to complete? (Deqing County, Zhejiang)

Now the two teams are working together. How many days will it take to complete? (Yangxin County, Hubei)

If two teams study together, how many days will it take to complete the study? (Xiangshan County, Zhejiang)

105. A road is 1,500 meters long. It takes 15 days for A to repair it alone and 10 days for B to repair it. How many days will it take for the two teams to repair it together? (Jiangshan City, Zhejiang)

Jiangdong District)

107. A job takes 8 days to complete alone. B’s work efficiency is twice that of A. If two people work together at the same time, How many days will it take to complete the work? (Hongqiao District, Tianjin City)

108. Master and apprentice *** finish a job together. The apprentice completes it in 20 days alone, which is 4 days longer than the master. If the master and apprentice cooperate, how many days will it take to complete? (Yinchuan Experimental Primary School)

110. A job takes 10 days to complete when A does it alone, and 15 days when B does it alone. How many days can A and B work together to complete 80% of the work? (Wenling City, Zhejiang)

111. Places A and B are 6 kilometers apart. Zhang Ming rides a bicycle from A to B for errands and must rush back within 55 minutes. If the errand takes 5 minutes, what should be the minimum average speed of Zhang Ming's bicycle ride? (Xianju County, Zhejiang)

112. It takes Xiaoming 35 minutes to walk from home to school and only 10 minutes to ride a bicycle. He set off from home on a bicycle. After 8 minutes of walking, the bicycle broke down and he changed to walking. How many minutes did it take for Xiao Ming to get from home to school? (Urban area of ??Taizhou City, Zhejiang)

113. It takes Zhang Hua 15 minutes to walk from home to school and 5 minutes to ride a bicycle. He started riding a bike from home. The bike broke down 3 minutes later and he had to walk instead. How many minutes did he walk to get to school? (Kaifeng City, Henan Province)

114. Places A and B are 240 kilometers apart. A car drives from place A to place B and travels 80 kilometers in 2 hours. According to this calculation, the distance is completed. How many hours will it take? (Shijiazhuang Chang'an District)

115. A car drives from point A to point B, traveling 50 kilometers per hour, and it takes 6 hours to arrive; when returning, it travels 60 kilometers per hour, and it takes a few hours to arrive. ? (Hongkou District, Shanghai)

116. The railway from City A to City B is 760 kilometers long. A train travels 285 kilometers in 3 hours. Based on this calculation, how long does it take to travel from City A to City B? Hour? (Use two methods to answer, one of which requires a proportional solution) (Shangyu City, Zhejiang)

117. The scientific research ship plans to travel 25 kilometers per hour and arrive at the predetermined sea area in 48 hours to conduct scientific experiments. If you want to arrive 8 hours in advance, how many kilometers per hour do you need to travel? (Jiaxing City, Zhejiang Province)

118. Two trains departed from two places 432 kilometers apart at the same time and met each other 4 hours later. The express train travels 60 kilometers per hour. Find out how many kilometers per hour the slow train travels. (Solution to the equation) (Dangyang City, Hubei Province)

119. Two cars A and B travel towards each other from two places 520 kilometers apart at the same time. They meet each other in 5 hours. It is known that car A is faster than car B per hour. The car travels an extra 6 kilometers per hour. How many kilometers per hour do cars A and B travel? (Shanghai)

Kilometers, how many kilometers does car B travel per hour? (Huanpo Road Primary School, Jianghan District, Wuhan City)

121. Two trains A and B departed from A and B at the same time and met each other after 6 hours. After the encounter, the two trains continued at their original speed. After another 4 hours of driving, car A arrived at location B. It is known that car A travels 12 kilometers further per hour than car B. Find out how many kilometers per hour car A travels. (Gulou District, Nanjing City)

122. A truck travels from place A to place B at 6 o'clock in the morning, with an average travel speed of 45 kilometers per hour. A passenger train travels from place B to place A, with an average speed of The truck is 15 kilometers faster. It is known that the passenger car is 2 hours later than the truck. At 12 noon, the two trucks passed a certain station on the way at the same time, and then continued to move forward. When the passenger car arrives at point A, how many kilometers is there from the truck to point B? (Nanchang Foreign Languages ??School)

123. The students went to visit the exhibition hall. Some students rode bicycles at a speed of 24 kilometers per hour; some students walked at a speed of 6 kilometers per hour. Starting from the school at the same time, the students on bicycles arrived at the exhibition hall 15 minutes later. How far are the students on foot from the exhibition hall? (Nanchang District, Wuxi City, Jiangsu Province)

124. Two cars A and B drove towards each other from two places at the same time.

When they meet, the distance traveled by car A is longer than that of car B

125. Cars A and B start from point A at the same time and drive in different directions. Car B reaches point C 4 hours later. At this time, car A is farther than car B. The car travels an extra 30 kilometers. It is known that car A can go around a rectangular ring road in 7 hours. How many kilometers is the total length of this ring road? (Xiangshan County, Zhejiang)

126. Two people A and B race around a circular track. They walk in the same direction from point A at the same time. The ratio in A is 4:5. Find the total length of this circular runway. (Jianou City, Fujian)

127. Two cars drove away from places A and B at the same time and opposite each other. It is known that car A travels 70 kilometers per hour? (Huangpu District, Guangzhou City)

128. A passenger car and a truck leave from two places A and B in opposite directions at the same time. The passenger car takes 10 hours to complete the journey, and the truck travels 42 kilometers per hour. After 3 hours, the two The sum of the distance traveled by the car is equal to the remaining distance. How many kilometers are there between places A and B? (Qingyunpu District, Nanchang City)

129. Two trains A and B leave from two stations at the same time. Train A travels an average of 90 kilometers per hour. How many kilometers is the distance? (Taishun County, Zhejiang)

130. A and B are 600 meters apart on a pedestrian street. Zhang Hua walks 4 kilometers per hour and Wang Wei walks 5 kilometers per hour. At 8 o'clock, the two of them set off from A and B at the same time and walked towards each other. One minute later, they turned around and walked in the opposite direction. After another 3 minutes, they turned around and walked towards each other again, in order 1, 3, 5, 7. ...(odd number of consecutive) minutes to turn around and walk. So what time was around 8 o'clock when Zhang Hua and Wang Wei met? (Foreign Language School Affiliated to Wuhan University)

131. From point A to point B, it takes 6 hours for car A and 10 hours for car B. The two cars set off from point A to point B at the same time. Car A returns immediately after arriving at point B. How many hours after departure did the two cars meet? (Songzi County, Hubei)

132. Places A and B are 210 kilometers apart. Cars A and B depart from places A and B respectively at the same time. Can they meet? (Qingshan District, Wuhan City)

If two cars go towards each other from both ends of this road at the same time, how many hours will it take to meet? (Shouchun School, Zhongshi District, Hefei City)

How many square tiles are needed to pave the floor? (Fujian Yunxiao Experimental Primary School)

135. A cylindrical measuring cup with an inner diameter of 8 cm, the height of the potion inside is 16 cm, just right for a primary school)

136. One without a lid A cylindrical iron bucket has a height of 24 cm and a bottom radius of 10 cm. How many square centimeters of iron are needed to make this bucket? (Retain the whole hundred square centimeters) (Chengzhong District, Xining City)

137. A wooden box is 9 decimeters long, 6 decimeters wide and 4 decimeters high. Make 10 wooden boxes like this (With cover), how many square meters of wooden boards are needed at least? (Shangyu City, Zhejiang)

138. A cylindrical grain store filled with wheat has a bottom area of ??3.5 square meters and a height of 1.8 meters. If the wheat is piled into a conical pile with a height of 1.5 meters, how many square meters will it occupy? (Nanchang District, Wuxi City, Jiangsu Province)

What is the volume of the body in cubic decimeters? (Yanta District, Xi'an City)

140. A cylindrical bucket has a bottom diameter and height of 6 decimeters. How many cubic decimeters of water can this bucket hold? (Anyang City, Henan Province)

Is this okay?