36. If 3/5 of a cistern is filled in 1 minute how much more time will be required to fill the rest of it

A. 30 sec

B. 40 sec

C. 36 sec

D. 24 sec

37. A rope makes 70 rounds of the circumference of a cylinder whose radius of the base is 14 cm. How man

A.40

B.49

C.100

D. None of these

38. If 5 engines consume 6 metric tones of coal when each is running 9 hours a day how many metric tonne

A. 3-1/8

B.8

C. 8-8/9

D. 6-12/25

39. If a certain number of workmen can do a piece of work in 25 hours in how many hours will another set

A.60

B.75

C.90

D.105

40. Some persons can do a piece of work in 12 days Two times the number of’ such persons will do half of

A.6 days

B. 4 days

C. 3 days

D. 12 days

41. A certain number of men can finish a piece of work in 100 days. If there were 10 men. less would tak

A.75

B.82

C.100

D.110

42. In a camp 95 men had provisions for 200 days After 5 days 30. men left the camp. or how. many day’s

A.180

B.285

C.139-16/19

D.none of these

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