| 1. | A alone can complete a work in 12 days. A and B together can complete it in 8 days. How long will B alone take to complete the work ? | |
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24 days
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18 days
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16 days
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20 days
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Report Question| 2. | A can do as much work as B and C together can do. A and B can together do a piece of work in 9 hours 36 minutes and C can do it in 48 hours. The time (in hours) that B needs to do the work alone, is ? | |
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18 hrs
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24 hrs
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30 hrs
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12 hrs
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| 3. | A can do a piece of work in 4 days and B can do it in 12 days. In how many days will they finish the work, both working together ? | |
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4 days
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6 days
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2 days
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3 days
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| 4. | x can copy 80 pages in 20 hours, x and y together can copy 135 pages in 27 hours. Then y can copy 20 pages in ? | |
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20 hours
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3 hours
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24 hours
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12 hours
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| 5. | A and B together can do a piece of work in 6 days. If A can alone do the work in 18 days, then the number of days required for B to finish the work is ? | |
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10
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12
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9
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15
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| 6. | A and B can do a given piece of work in 8 days, B and C can do the same work in 12 days and A, B, C complete it in 6 days. Number of days required to finish the work by A and C is ? | |
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16
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8
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12
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24
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| 7. | If 20 women can lay a road of length 100m in 10 days. Then 10 women can lay the same road of length 50 m in ? | |
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20 days
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15 days
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5 days
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10 days
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| 8. | A and B together can finish a job in 24 days, while A, B and C together can finish the same job in 8 days. C alone will finish the job in ? | |
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12 days
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14 days
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16 days
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24 days
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| 9. | A can do a piece of work in 18 days. He worked at it for 12 days and B finished the remaining work in 8 days. B alone can do the whole work in ? | |
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16 days
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24 days
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28 days
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29 days
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| 10. | A and B together can do a piece of work in 9 days. If A does thrice the work of B in a given time, the time A alone will take to finish the work is ? | |
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4 days
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6 days
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8 days
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12 days
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