31. 39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
[A]10
[C] 14
[B]13
[D] 15
32. If 17 labourers can dig a ditch 20 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 days, ech labourer working 9 hours a day?
[A] 34
[C] 68
[B] 51
[D] 85
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| 33. A contract is to be completed in 46 days and 117 men were set to work, |
each working 8 hours a day. After 33 days, 4/7 of the work is completed.
How many additional men may be employed so that the work may be completed
in time, each man now working 9 hours a day?
34. A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is :
[A]29 1/5
[C] 42
[B]37 1/4
[D] 54
35. A garrison had provisions for a certain number of days. After 10 days,
1/5 of the men desert and it is found that the provisions will now last
just as long as before. How long was that?
36. If 18 pumps can raise 2170 tonnes of water in 10 days, working 7 hours a day; in how many days will 16 pumps raise 1736 tonnes of water, working 9 hours a day?
[A] 6
[C] 8
[B] 7
[D] 9
37. | A man completes of a job in 10 days. At this rate, how many more days will it takes him to finish the job? |
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38. 12 men working 8 hours per day complete a piece of work in 10 days. To complete the same work in 8 days, working 15 hours a day, the number of men required, is:
[A]4
[C] 6
[B]5
[D] 8
39. If a quarter kg of potato costs 60 paise, how many paise will 200 gm cost?
A. 48 paise B. 54 paise
C. 56 paise D. 72 paise
40. | In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk? |
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