1 King master batch processing of parts

 The original plan 30 hour processing, 6 hours to complete, the actual processing of an hour more than originally planned

20%, the actual processing of these parts a few hours earlier than planned?

2, a cylindrical barrel, the bottom diameter of 40 cm, 50 cm high, if the weight per cubic decimetre 0.85 kg of diesel, the oil

how many kilograms of diesel barrels can be installed?

3, Fei line 3 km per hour up the mountain, down from the backtrack, line 6 kilometers per hour. Seeking his average speed on the downhill.

4, passenger cars and trucks from both the A and B the midpoint of the two traveling in the opposite direction, 5 hours later, a bus arrived, the truck also from the point B

60 km, known trucks and buses more quickly than is 5: 7, find A and B both the number of kilometers away?

1, a school to participate in math contest the number of boys than girls 4 times the number of 8 less than 3 times the number of girls 24, the school boys who participate in math competitions, how many people? How many girls?

2, repair of a ditch 200 meters long, 80 meters have been repaired, and then how many meters repair just repaired the canal, 3 / 5?

3, 600-page book, read it the first day of the 1 / 4, the next day saw it 2 / 5, two days saw a total of how many pages?

4, love of the garden contribute to the Hope Project primary schools, six (1) share sixth-grade class donated 1 / 3, sixth grade, school contributions donated total of 1 / 4, the school donated a total of 2,400 yuan, VI (1) how much per class donate? (Answer in two ways)

5, and B 60 km away from the two car bound for B from A, when the car throughout the mid-point of more than 10 kilometers, the remaining fraction of the entire process?

6, planting 120 schools last year, planting the trees this year than last year's 3 / 4 Multi 5, the number of trees planted this year?

7, planting 120 schools this year than last year's 3 / 5 Multi 5, the number of trees planted last year?

8, a basket of apples, sold its first half, and the second is the first time to sell 4 / 5, leaving the baskets of apples did not sell a fraction of a few?

9, a ping pong ball drop from a height of 25 meters, the height of each bounce is a drop height of 2 / 5, it can bounce the fourth the number of meters under the backward?

10, a group of garment processing tasks assigned by 4:5 A, B and two workshops, the actual production of 450 sets of a workshop, distribution of tasks over 1 / 4. The number of sets of these clothes?

11, a rainy day is a sunny July 2 / 3, Shade is a sunny 2 / 5 sunny days this month, a few days?

12, shopping in white, blue, cloth a total of 1380 m, white, flower Bumi 5:6 ratio of the number, the number of rice is a blue cloth fabric 3 / 2 times, three cloth the respective numbers of rice?

13, three groups of students to collect trees, Group A, B, C's efficiency ratio is 5:3:4. Group A collection of 15 kg, Group B Group C less than the number of kilograms collected?

14, a number is the number of B 3 / 5, the number is a number of C 2 / 3, C number is the number fraction of B?

15, arable land per tractor per hour, 5 / 7 hectares, 8 the number of hectares of farming tractor for 45 minutes?

16, a rope, cut it the first 1 / 2, the second cut the remaining 1 / 3, the third cut and the remaining 1 / 4, the rest of the rope fraction of the original?

17, a concrete cement, sand and gravel in the ratio 2:3:5, if there are 3 / 4 tons of cement mixed concrete, sand and gravel required a number of tons.

18, red 8 days reading a book 2 / 5, read the rest of the prepared 6 days, the average daily fraction of reading this book a few?

19, 640 of a book, read it 3 days 3 / 8, according to this speed even days to finish this book?

20, a length of 800 km of the road, a car line a distance of 6 hours 3 / 5, according to this line the entire distance but also the speed of a few hours?

21, took their money, red 4 / 7, Mary took out his money 3 / 5, they buy the same dictionary of all known red original 21 yuan, find Mary the original number of dollars?

22, a group of chemical fertilizer warehouse, out of its 4 / 7 at 5:3 assigned to the village of entries and Zhang, Zhang village known a smaller share than the 4.8 tons of entries. The total number of tons of these chemical fertilizers?

23, New River Primary One (2) The number of female students accounted for the number of boys Class 5 / 6,cheap UGG boots, transferred out of the two girls, the class a total of 42. Number of girls is now a fraction of the number of boys?

24, six (2) in a math test, the average score is 78 points. The average male is known to 75.5 points score, girls, the average score was 81 points. The class of boys and girls than the number of how many?

25, a cup of 200 grams of salt, which salt and water ratio is 1:24, if you then add 4 grams of salt, then salt and water than what is?

26, Jiachang 120 people, Yichang has 80 people. Transferred from Yichang to make a few people to Jiachang than the number of the two plants is 5:3?

27, a length of 1,800 meters to repair the drains, working five days later, the length of repair and no repair of the ratio is 1:3, according to the progress of repairs that go on, but also that the number of days to complete a Article drains?

28, the speed of cars and trucks is a 4:7 ratio, while the two vehicles from the two meet each other halfway, 15 kilometers away from the midpoint of the meet, when the train, how many kilometers?

29, an aircraft flying 720 kilometers per hour, 3 / 4 hour flight the whole of the 2 / 7. How many kilometers the whole?

30, king master batch processing of parts, 6 / 12 7 hours processing. On this basis of 144 parts to be machined to be a few hours?

31, repair a ditch, has built a full-length 2 / 11, and later revised by 160 meters, 400 meters twice a Retreat. How many meters in length of this canal?

32, a road repair, has been revised and full-length ratio is 1:3. If we repair 150 meters, you can complete half of this road, this road many meters long?

33, Shin Kong primary school has 585 boys, 540 girls, the school choir number of total number of 4 / 45, then transferred after 20 people participated in dance team, and the rest who happens to be the number of sixth grade 8 / 17, sixth grade, how many people?

34, a basket of fish, even the basket weight 43 kg, sold 1 / 3 after he sold five kilograms,UGG boots, then the fish with basket basket weighing 25 kg, ask how many kilograms of fish baskets?

35, Xiao-Ming reading a 144-page science fiction books, has read pages and pages to see the ratio is not 5:3. Read 12 pages later, not much left to see?

36, 360 pages of a book, read the first day 1 / 4, the next day saw the remaining 2 / 3, how many pages Meikan Wan?

37,UGG boots cheap, east and west positions in a total of 94 tons of fertilizer from the warehouse out of the East 2 / 5, and then out of position from the west 2 / 5 more than 2 tons, then East, there are 10 tons of storage, the West position also There are several tons?

38,UGG shoes, a commodity, the cost of this year than last year 1 / 10, but still maintain the original price, so profit per unit declined by 2 / 5, then the total cost of the commodity this year, the price of fraction of the?

39, chemical fertilizer plants producing 250 tons in January, after a month than the month before each increase of 1 / 5, so the first quarter of the annual plan to complete production of the 5 / 12, this plant Quan How many tons of plans to produce chemical fertilizers?

40, five or six grade students to plant trees, plant a fifth-grade students in sixth grade 2 / 3, sixth grade, the total number of plants than the 3 / 4 less 24, the number of trees planted in fifth grade?

41, a road repair teams and B, A single revision to 12 days, B alone for 10 days to repair. A team from the pre-days are remaining independent from the B repair. The results complete a 1 day to do more than B, B team repaired a few days?

42, and B from AB while the two vehicles out of the two relatively few hours later 40 kilometers away from the midpoint of the meet. A full range of known dealers to 8 hours, B dealers 10 hours to fully process, find the distance AB between the number of kilometers?

43, a project to do together B teams to 12 days to complete Now a team to do 18 days alone, and then do the rest of the B, 8 days just done, to do this if the a single project, how many days to complete?

44, a pool with three water pipes, a pipe is the inlet; B outlet pipe is 20 minutes full of water can be discharged; C outlet pipe is 30 minutes can be full of water discharged. Now to open a pipe, when the pool of water just overflows and then open the B, C and two, spent 18 minutes this water discharged. Thus, when opening a pipe filled with the pool, and then open the B tube, not open C Pipe, how many minutes this water discharged?

45, street 42 million investment this year to implement poverty alleviation programs, more than last year invested 1 / 2 million last year, how much to invest?

46, Workshop Director, 320 master assigned to the yellow part, to be completed within 10 hours, if the Master Huang for processing a total of 3 hours 3 / 8. On this basis, Master Huang within the specified time in the task? Why?

47, salt 1 / 10 300 grams of salt, put it into salt 1 / 4 salt water, you need to how many grams of salt?

48, a project, A and B teams to do together, 10 days to complete. If a team to do 4 days, B team to do 6 days, to complete the project a total of 7 / 15. Find a team to do the project alone how many days?

49, a number of books distributed to the A, B, C three students, a share of the total of the number of 1 / 5 and 5, B share of the total of the number of 1 / 4 and 7, C points have the rest of this number 1 / 2, and the rest of the book just the total number of 1 / 8. The total number of these books?

50, a road repair, has revised the number of rice is not the number of repair m 3 / 2, if the repair of 30 meters, then the number has been revised meter number with and without repair ratio is 7:3 m This way a total of how many meters?