The road team completed a highway in two days. On the first day, 50% of the whole road was repaired, with an extra 72 meters. The next day, 1/3 of the first day was fixed. How long is this road?
The fruit shop has 465 kilograms of apples and pears. If you sell 25% apples and 20% pears, the remaining weight of the two fruits is equal. How many kilograms are apples and pears?
4. A workshop produces a batch of parts, accounting for 25% on the first day, 450 pieces on the second day, and the third day is the sum of the previous two days 1/3. At this point, there are still 200 unfinished. How many parts are there in this batch?
5. A machine tool factory completed 3/8 of the production plan in early September, the remaining 2/3 in the medium term and 55 machine tools in late September, exceeding the production plan by 25%. How many machine tools does this factory plan to produce in September?
6. A batch of cement was delivered to the construction site, and all 1/3 was used for the first time, and the remaining 75% was used for the second time. There are still 4 tons left at this time. How many tons is this batch of cement?
7. In a school, 20% of the fifth-grade students originally participated in extracurricular groups. Later, 20 people attended. At this time, the actual number of participants is 65438+ 0/3 of the number of non-participants. How many people attended?
8. Grain depots A and B both store a batch of rice, and the weight of warehouse A is 75% of warehouse B. If 24 tons are transported from warehouse B and put into warehouse A, the weight of warehouse B is 80% of warehouse A. How many tons of rice are stored in these two grain depots?
9. A shop has a batch of new radios. 42 sets were sold on the first day, 2/5 on the second day and 75% on the second day. How many radios have been sold in this batch?
10, build the canal. 37.5% of the total length on the first day. The next day, the remaining 4/5 was built. The second day was built 50 meters more than the first day. How long is this canal?
1 1, a barrel of oil used 37.5% of the total for the first time and 3/4 for the first time. The first time used 2 1 kg more than the second time. How many kilograms did you use twice?
12. A machinery factory produced several machines in the first quarter of this year. It is known that 240 sets were produced in 1 month, with the remaining 40% in February and 30% in March. How many machines were produced in the first quarter of this year?
13, a reading. On the first day, he read two thirds of the book. The next day, he read 20% more than the first day. On the third day, he finished reading the remaining 12 pages. How many pages are there in this book?
14, a section of road was built. On the first day, 20% of the total length was more than 60 meters, and on the second day, 25% of the total length was less than 40 meters, leaving 3 10 meters. What is the total length of this part?
15, a pile of yellow sand, 5 tons more than 3/5 of this pile of yellow sand has been used, and 25 tons less than this pile of yellow sand12. How many tons is this pile of yellow sand?
16, a barrel of oil, take out all 20% for the first time, 5 kg more than the first time. At this time, there are 7 kilograms left in the bucket. How many kilograms will you take out the second time?
17. There is a pool of water. Put 60 tons on the first day and 65 tons on the second day. The remaining water is 5 tons less than the original 25% water in this pool. How many tons were there in the original pool?
18, a bus and a truck leave from Party A and Party B along the same road. When the truck has traveled 40% of the whole journey, the bus has traveled 3/7 of the whole journey. Distance between two cars18km. How many kilometers is the distance between Party A and Party B?
19. A road was built, 25 kilometers for the first time, 5 kilometers more for the second time, 5 kilometers more than 2/5 of this road. How many kilometers is this road?
20.A reads a book. On the first day, he reads 20% of the total pages of the book. On the second day, he misses 15 pages, and on the second day, he reads 1/3 of the total pages of the book. How many pages have you read in two days?
2 1 Grade 4 1 Class, there are 25% more girls than boys, and 5 fewer boys than girls. How many students are there in this class?
22. A batch of goods was shipped in three days. 40% delivery on the first day, 30 tons less than the first day, and delivery on the third day 120 tons. How many tons is this shipment?
23. The sum of two numbers is 89, and A is more than B 1/3. What are these two numbers?
24. There are 54 students in the school training team, and the number of boys is less than 2/3 of that of girls, with 6 students less. How many boys and girls are there in this team?
25. In a workshop, two workers, A and B, * * * manufactured 180 parts. It is known that A manufactured 40% more than B. How many parts did A and B manufacture respectively?
26. Two workshops produce 637 parts a day, of which Workshop A is 25% less than Workshop B ... How many parts does each workshop produce?
27. The sum of numbers A, B and C is 1200. A is 60% of B and C is 80% of B. What are the numbers of A, B and C respectively?
28, A, B two piles of coal ***440 tons, if A pile of coal away 25%, B pile of coal away 90 tons, then two piles of coal are equal, A, B two piles of coal originally how many tons?
29. Two engineering teams jointly built a section of highway. The first team builds 12 meters every day, which is 20% less than the second team. When completing the task, the second team built 18 meters more than the first team. How long is this road?
30. A workshop processed a batch of parts. On the first day, 1/7 was all processed. On the second day, the work efficiency was improved by 20%, and 2 1 parts were processed more than on the first day. How many parts are there in this batch?
3 1. Students in grades three, four and five of a school planted 480 trees. Trees planted in the fourth grade are 4/5 of those planted in the fifth grade, and trees planted in the third grade are 3/4 of those planted in the fourth grade. How many trees were planted in three grades?
32. There are two piles of 24 tons of coal. Small piles add 4 tons, and large piles use 1/4. The weight of two piles of coal is just equal. How many tons did the original two piles of coal weigh?
There are 204 students in Grade Five. 1/6 male students and 6 female students were selected to take part in the math contest. The number of remaining students is equal. How many boys and girls are there in Grade Five?
There are three kinds of trees in the orchard, orange trees are more than pear trees 1/3, peach trees are less than pear trees by 2/5, and orange trees are more than peach trees by 55. How many fruit trees are there?
35. There are 60 black rabbits and white rabbits. Later, I gave 20% of the black rabbits to others and bought 12 white rabbits. At this time, the black rabbit and the white rabbit are equal. How many black rabbits and white rabbits are there?
36. The warehouses A and B originally stored 780 tons of grain. After 108 tons was shipped from warehouse B, the grain stored in warehouse B was 32 tons less than that stored in warehouse A by 60%. How many tons was stored in warehouse A?
37. The cloth shop delivered white cloth, blue cloth and printed cloth * * *133m, with white cloth being 3/4 of printed cloth and printed cloth being 1.5 times of blue cloth. How many meters of white cloth, blue cloth and printed cloth were sent?
38. Three people, A, B and C, transported a pile of wheat. A transported 40% of the total,152kg more than B, and B transported 1.5 times more than C. How many kilograms of wheat did they transport respectively?
39. 75% of the female workers in Workshop A of Factory is equal to 7/ 10 of the male workers. It is known that there are more male employees than female employees 16. How many women workers are there?
40. A and B went to the bookstore to buy books, and * * * took 54 yuan. After Party A spent 75% of his own money and Party B spent 80% of his own money, the amount of money they had left was exactly the same. How much did Party A and Party B originally bring?
4 1, two baskets of vegetables 84kg. Take out 20% from basket A and put it in basket B, and then take out 2kg from basket B and put it in basket A. The weights of the two baskets are exactly the same. How many kilograms do you want each basket to weigh?
42. A chicken farm has 265,438+0,000 chickens, 7,000 cocks are sold, 60% hens are sold, and the number of remaining cocks and hens is equal. How many cocks and hens are there in this chicken farm?
There are 60 students in a class, 60% of whom are boys. Later it was transferred to several girls. At this time, boys account for 6/ 1 1 of the class. How many girls transfer?
44. Sugar water contains 10 kg, and sugar accounts for 5% of sugar water. How many kilograms of water should be evaporated to make sugar account for 20% of sugar water?
45. In one class, girls are 75% of boys. I recently transferred two girls. Now the number of girls is 4/5 of that of boys. How many people are there in the class now?
46. Xiaoming and Xiaohua each have a few yuan in deposit, of which Xiaoming's deposit accounts for 75% of the total. After Xiao Ming withdraws 12 yuan, his deposit accounts for 5/ 17 of the total deposit of the two people. How much money did Xiaoming and Xiaohua originally save?
47. The original absenteeism in a workshop accounts for110 of the total number of people in the workshop. Today, two workers asked for leave. Absenteeism at this time is 12.5% attendance. How many people are there in the whole workshop?
48. Two typists, A and B, type draft A. A plans to type this manuscript 1/2. After he finishes typing, he will help B type 2 pages. At this time, the number of pages actually typed by typist A is 1.25 times that of typist B. How many pages does typist B need to type?
49. When Xiao Ming reads a book, the number of pages he has read is 65438+ 0/4 of the number of pages he has never read. If he reads another 30 pages, the number of pages he has read will account for 9/20 of the book. How many pages are there in this book?
50. A factory has two workshops, A and B, and the number of people in workshop A accounts for 3/4 of the whole factory. If 150 people are transferred from workshop A to workshop B, the number of people in workshop A accounts for 3/5 of that in workshop B. How many people are there in workshop A and workshop B respectively?
5 1. If 10 people are transferred from workshop A to workshop B, the number of people in workshop B is just 6/7 of that in workshop A, so it can be seen that workshop B originally had 50 people. How many people are there in Workshop A?
52. A basket of cucumbers weighs12.75kg.. After 75% cucumbers are sold, the basket weighs 5.25 kg. How much does this basket weigh?
53. There are three classes in the fifth grade of primary school in Yu Ying. There are 82 students in Class One, Class Two and Class Three, and 88 students in Class Two and Class Three. The number of students in Class One and Class Three accounts for 43/64 of the whole grade. How many students are there in Class Three?
54. For a box of light bulbs, take out 168 first, and then take out the remaining 1/6, so the remaining light bulbs are exactly 1/4 of the total number of light bulbs in this box. How many light bulbs are there in this box?
55. The grain store sent a batch of rice and flour. The weight of rice is 4/5 of that of flour, and rice sells for 20%. The remaining rice is 540 kilograms less than flour. How many kilograms of rice were delivered?
56. A barrel of oil was emptied three times. For the first time, 40% of the total was short of 9 kg, for the second time, the remaining 1/3 was 5 kg more, and for the third time, the remaining 15 kg. How much does this barrel of oil weigh?
57. A barrel of oil is packed in the same bottle. 15 bottle is just 2/5 of the barrel oil, and there are 30 kilograms of oil left in the barrel of 5 bottles. How many kilograms is this barrel of oil?
58. Two piles of coal, A pile is 240 tons, and B pile 180 tons. After the two piles sell the same amount, B pile is the remaining 25% of A pile. How many tons of coal are sold?
59. For a bottle of wine, pour out13 for the first time, then pour 40 kg back into the bottle, pour out the remaining 2/5 for the second time and 180 kg for the third time. At this time, there are 56 pounds left. How many kilograms are there?
60. At present, 20% salt water 30kg and 64% salt water 20kg are mixed. What is the salt content of mixed brine?
6 1, Young Pioneers planted trees, completing 37.5% of the plan on the first day, completing the remaining 3/5 on the second day, and planting 84 trees on the third day. The result exceeds the planned110. How many trees were planned to be planted?
62. Warehouse A and Warehouse B have 1700 tons of grain, 75% of which are shipped from Warehouse A and 2/5 from Warehouse B, so the surplus grain in Warehouse A and Warehouse B is equal. How many tons of grain did Warehouse A and Warehouse B originally store?
63. When processing a batch of parts, Party A alone does 20 hours, Party B does 30 hours, and two people cooperate to complete the task. Party A does 96 more than Party B. How many parts are there in this batch?
64. Party A and Party B walk in opposite directions from Party A and Party B respectively at the same time. Nine-fourths of the whole journey, Party A and Party B meet. It is known that Party A can walk 4.8 kilometers per hour and Party B can walk the whole distance in 5 hours, so how to walk the whole distance?
65. It takes 10 hour for the express train from Station A to bilibili and 15 hour for the local train from bilibili to Station A ... Two cars leave from two stations at the same time and meet at a distance of 90 kilometers from the midpoint. How many kilometers did the express train travel when they met?
66. Xiaoming and Xiaohua * * * have saved several dollars, of which Xiaoming accounts for 60% of the total. After Xiao Ming spent 12 yuan, his deposit accounted for 2/5 of their current deposit. How much money did Xiaoming and Xiaohua originally save?
67. For a batch of goods, 40% of the first shipment was less than 3 tons, the remaining 2/3 exceeded 1 ton, and the remaining 1/5 of the total. How many tons are there in this shipment?
68. There is a pool of water. Put 60 tons on the first day and 65 tons on the second day. The remaining 5 tons are less than 2/5 of the water in this pool. How many tons were there in the original pool?
A school should provide 1 100 students with a water cup, each 3 yuan. During the "June 1st" period, the supermarket launched a special price, and every time you buy 10, you will get 1. So how much cheaper is it for the school to buy water cups during the preferential period than usual?
70. There is a batch of fertilizer in the warehouse. Two fifths of the total amount was taken out for the first time, and less than 1/3 of the total amount was taken out for the second time. At this time, there are 24 bags left in the warehouse. How many bags are taken out twice?
7 1. There are two baskets of fruits. The first basket weighs 32kg. After taking out 20% from the second basket, the weight ratio of the two baskets of fruits is 4:3. How many kilograms were there in the original two baskets of fruit?
72. To make a 600g bean paste bun, the ratio of flour, red beans and sugar is 3:2: 1. How many grams of flour, red beans and sugar do you need?
73. Xiaoming read a story book. On the first day, he read 1/9 of the whole book, and the next day, he read 24 pages. The ratio of pages read in two days to remaining pages is 1: 4. How many pages are there in this book?
74. The ratio of the three internal angles of a triangle is 2:3:4. What are the degrees of these three internal angles?
75. Uncle Wang's vegetable field is 800 square meters, and he is going to use 2/5 kinds of tomatoes. The rest are planted with cucumber and eggplant according to the area ratio of 2∶ 1 What are the areas of the three vegetables?
76. Make a rectangle with a 28-meter-long iron wire. The length-width ratio of this rectangle is 5:2. What is the length and width of this rectangle?
77. Form a triangle with 84 cm long iron wire. The ratio of the lengths of the three sides of a triangle is 3: 4: 5. How many centimeters are the three sides of this triangle?
78. The ratio of the degrees of the three internal angles of a triangle is 1: 2: 3. What is the biggest angle in this triangle? What triangle is this triangle?
79. The output value of a chemical fertilizer plant increased by 20% and 5 million yuan this year. What is the output value this year?
80. The fruit company has a stock of apples. After 30% of these apples are sold, they are shipped 160 boxes, which is more than the original apples110. How many boxes of apples are there at this time?
8 1. Interest earned from education savings is tax-free. Dad saved Xiao Xiao's education savings for three years, with an annual interest rate of 5.40%. Upon maturity, * * * received the principal and interest of 22,646 yuan. What is the principal of the education savings fund that Dad gave Xiao Xiaocun?
82. The clothing store bought two pieces of clothes at the same time, each of which earned 120 yuan, but one of them earned 20% and the other accompanied 20%. Did the two clothes sold by the clothing store make money or lose money?
83. Zhang Ping has 500 yuan money and plans to deposit it in the bank for two years. There are two deposit methods. One is to save it for two years, with an annual interest rate of 2.43%. One is to save it for one year with an annual interest rate of 2.25%. When the first year expires, take out the principal and after-tax interest and deposit it for another year. Which method will get more interest?
84. Xiaoli's mother saved 5,000 yuan in the bank for a year, with an annual interest rate of 2.25%. When withdrawing money, the bank withheld and remitted 20% interest tax. How much interest tax was paid at maturity?
85. The radius of a circle and a sector is equal, the area of the circle is 30 square centimeters, and the central angle of the sector is 36 degrees. Find the area of the sector.
86. The diameter of the circular flower bed is 10 cm, and there are 2-meter-wide paths around it. What is the area of this path?
87. Two cars, A and B, leave from A and B relatively simultaneously. Car A travels 20 kilometers more than car B per hour. On the way, it took B 2 hours to repair the car. Six hours later, car A reached the midpoint of the two places, and car B only covered half of the distance traveled by car A.. How many kilometers is it between A and B?
88. Party A and Party B contract a project with salary of 1 120 yuan. It is known that A worked for 10 days, and B worked for 12 days. The salary of A for 5 days is as much as that of B for 4 days. How much do Party A and Party B get every day?
89。 A workshop can produce 120 type A parts, 100 type B parts or 200 type C parts every day. Three A-type parts, two B-type parts and 65,438+0 C-type parts can be made into a set. Now it is required to produce the most complete set of products within 30 days. How many days does it take to produce three parts, A, B and C?
90. If a book is sold at the original price, every book sold can earn profits in 2.4 yuan; The price is reduced now. As a result, sales increased by 1 times, and profits increased by half. How much is the price reduction?