Time and Work Page-2

9) If 8 men can paint a fence in 3 hours, how many hours will it take 6 men to do the same job? Assume each man work uniformly at the same rate.
(A) 4
(B) 3
(C) 2
(D) 1

10) If 10 men can do a piece of work in 12 days working 7 hours a day, how many hours a day must 6 men work to do the same work in 14 days?
(A) 5 hrs
(B) 10 hrs
(C) 7 hrs
(D) 20 hrs

11) If 15 men can do a piece of work in 20 days, the number of days in which 25 men can finish the same work is
(A) 12
(B) 14
(C) 16
(D) 20

12) If 2 men or 3 women or 6 children can do a piece of work in 70 days, in what time would 2 men, 6 women and 24 children can do it?
(A) 9 days
(B) 5 days
(C) 12 days
(D) 10 days

13) If 20 men can do a piece of work in 8 days, how many men will finish it in 10 days
(A) 16
(B) 4
(C) 8
(D) 12

14) Four men working together can dig a ditch in 42 days. They begin, but one man works only half days. How long will it take to complete the job?
(A) 42
(B) 43
(C) 44
(D) 48

15) If in 5 days a clerk can copy 125 pages, 36 lines each, 11 words to the line, how many pages of 30 lines each and 12 words to the line can he copy in 6 days?
(A) 145
(B) 155
(C) 165
(D) 160

16) A and B can do a job together in two hours. Working alone A does the job in 5 hours. How long will it take B to do the job alone?
(A) 2 1/3 hrs
(B) 2 1/2 hrs
(C) 3 hrs
(D) 3 1/3 hrs

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