1) Twelve men can do a work in twenty days while twenty women can finish the same work in sixteen days. Find the ratio between the capacity of a man and a woman. a. 3:4 b. 5:4 c. 4:3 d. 5:3
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2) A can lay a railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in_________? a. 4 b. 9.6 c. 9 d. 10
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3) If 10 bulls can plough 20 identical fields in 3 days working 10 hours a day, then in how many days can 30 bulls plough 32 same identical fields working 8 hours a day? a. 2 b. 8 c. 10 d. 12
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4) A work can be finished in 16 days by twenty women. The same work can be finished in fifteen days by sixteen men. The ratio between the capacity of a man and a woman is_________? a. 1:3 b. 4:3 c. 2:3 d. 2:1
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5) P, Q and R can complete a work in 24, 6 and 12 days respectively. The work will be completed in________days if all of them are working together. a. 2 b. 3 3⁄7 c. 4 ¼ d. 5
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6) Two pipes P and Q can fill a cistern in 12 minutes and 16 minutes respectively. Simultaneously both the pipes are opened together, then after how much time Q should be closed so that the tank is full in 9 min ? a. 2 min b. 3 min c. 4 min d. 5 min
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7) A can do a certain job in 12 days. B is 60% more efficient than A. The number of days it takes for B to do the same piece of work, is:_________? a. 12/6 days b. 15/2 days c. 23 days d. 34 days
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8) A can do piece of work in 30 days while B can do it in 40 days. In how many days can A and B working together do it ? a. 70 days b. 120/7 days c. 50 days d. 45 days
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9) A and B can do a piece of work in 21 and 24 days respectively.They start the work together and after some days, A leaves and B completes the rest of the task in 9 days. After how many days did A leave? a. 5 b. 6 c. 7 d. 8
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10) A,B,C, can do a work in 8,14,16 days respectively. A does the work for the first 2 days. B continues from it and finishes 2/3rd of the remaining work. C finishes the remaining work. How many days would have taken to complete the work? a. 13 b. 11 c. 12 d. 15
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11) If 6 men working together can complete 50 identical tasks in 4 hours then how many such identical tasks can be completed if 10 men are working together for 6 hours? a. 20 b. 25 c. 125 d. 60
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12) P works twice as fast as Q. If Q alone can complete a work in 12 days, P and Q can finish the work in________days a. 1 b. 2 c. 3 d. 4
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13) P is 30% more efficient than Q. P can complete a work in 23 days. If P and Q work together, how much time will it take to complete the same work? a. 9 b. 11 c. 23 d. 13
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14) 6 men and 8 women can complete a work in 10 days. 26 men and 48 women can finish the same work in 2 days. 15 men and 20 women can do the same work in_______days. a. 4 days b. 6 days c. 2 days d. 8 days
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15) A cistern has two taps which fill it in 12 min. and 15 min.respectively There is one outlet pipe in the cistern. When all the taps & pipe are opened, the empty cistern is full in 20 min. How long will the waste pipe (outlet) take to empty the full cistern ? a. 10 min b. 20 min c. 30 min d. 40 min
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16) To fill a cistern, pipes P, Q & R take 20, 15 & 12 minutes respectively. The time in minutes that the three pipes together will take to fill the cistern is:__________? a. 5 min b. 10 min c. 15 min d. 20 min
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17) A alone can finish a work in 10 days and B alone can do it in 15 days. If they work together and finish, then out of a total wages of Rs.75. A will get:___________? a. 35 Rs. b. 40 Rs. c. 45 Rs. d. None of these
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18) 2 men and 12 women can finish a job in 4 days. 4 men and 6 women can do the same job in 5 days. Find the time taken by 1 man and 1 woman to complete the job. a. 30 days b. 25 days c. 24 days d. 20 days
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19) Bilal can do a work in 15 days and Jalal in 12 days. If they work on it together for 4 days, the fraction of work that is left is________? a. 3/5 b. 4/7 c. 2/5 d. 1/4
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20) A and B can finish a piece of work in 20 days .B and C in 30 days and C and A in 40 days. In how many days will A alone finish the job? a. 48 b. 34(2/7) c. 44 d. 45
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