Quantitative Apitude-Chain Rule
Quantitative Apitude-Chain Rule
11. 400 persons working 9 hours per day complete 1/4th of the work in 10 days. The number of additional persons, working 8 hours per day required to complete the remaining work in 20 days, is:
- 675
- 275
- 250
- 225
12. Some persons can do a piece of work in 12 days. Two times the number of such persons will do half of that work in :
- 6 days
- 4 days
- 12 days
- 3 days
13. If 18 persons can build a wall 140 m long in 42 days, the number of days that 30 persons will take to complete a similar wall 100 m long, is :
- 18
- 21
- 24
- 28
14. A certain number of men can finish a piece of work in 100 days. If however, there were 10 men less, it would take 10 days more for the work to be finished. How many men were there originally ?
- 75
- 82
- 100
- 110
15. A certain number of men could do a piece of work in 60 days less. The number of men in the beginning were :
- 30
- 35
- 40
- 45
16. If 18 binders bind 900 books in 10 days, how many binders will be required to bind 660 books in 12 days ?
- 22
- 14
- 13
- 11
17. If 300 men can do a piece of work in 16 days, how many men would do 1/5 of the work in 15 days ?
- 56
- 60
- 64
- 72
18. If 6 men working 8 hours a day earn Rs. 840 er week, then 9 men working 6 hours a day will earn how much per week ?
- Rs. 840
- Rs. 945
- Rs. 1620
- Rs. 1680
19. If 17 labourers can dig a ditch 26 m long in 18 days, working 8 hours a day; how many more labourers should be engaged to dig a similar ditch 39 m long in 6 dys, each labourer working 9 hours a day ?
- 34
- 51
- 68
- 85
20. 20 men complete one-third of a piece of work in 20 days. How many more men should be employed to finish the rest of the work in 25 more days ?
- 10
- 12
- 15
- 20