| 1. | A can do a piece of work in 4 hours; B and C can do it in 3 hours. A and C can do it in 2 hours. How long will B alone take to do it ? | |
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10 hours
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12 hours
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8 hours
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24 hours
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Report Question| 2. | If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work ? | |
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60 days
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45 days
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40 days
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30 days
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| 3. | A and B together can do a piece of work in 12 days, while B alone can finish it in 30 days. A alone can finish the work in ? | |
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20 days
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25 days
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15 days
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18 days
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| 4. | If A and B together can complete a work in 18 days, A and C together in 12 days and B and C together in 9 days, then B alone can do the work in ? | |
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18 days
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24 days
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30 days
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40 days
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| 5. | A and B can do a piece of work in 10 days, B and C in 15 days and C and A in 20 days. C alone can do the work in ? | |
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60 days
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120 days
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80 days
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30 days
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| 6. | A and B can do a piece of work in 72 days. B and C can do it in 120 days, A and C can do it in 90 days. In how many days all the three together can do the work ? | |
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80 days
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100 days
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60 days
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150 days
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| 7. | 8 men can do a work in 12 days. After 6 days of work, 4 more men were engaged to finish the work. In how many days would the remaining work be completed ? | |
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2
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3
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4
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5
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| 8. | A and B can do a piece of work in 20 days and 12 days respectively. A started the work alone and then after 4 days B joined him till the completion of the work. How long did the work last ? | |
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10 days
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20 days
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15 days
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6 days
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| 9. | 5 men can do a piece of work in 6 days while 10 women can do it in 5 days. In how many days can 5 women and 3 men do it ? | |
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4 days
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5 days
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6 days
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8 days
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| 10. | 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it ? | |
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50 days
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45 days
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40 days
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35 days
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