1. A can do a work in 60days and B in 12 days.Then A and B together do the work in,how many days? |
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2. A and B together can do a work In 4 days. A alone can do it in 12days.what time B will take to do the work alone? |
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3. A can do a work in 24 days and B can do it in 8 days. In how many days A and B can do the work? |
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4. A can do a work in 30 days, B can do it in 20 days. They together under took to do a piece of work for Rs.1000, what is the share of B? |
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5. A and B can do a piece of work in 40 days and 50 days respectively. They work together for 10 days and B leaves. In how many days the whole work is completed? |
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6. A can do a work in 21 days and B alone can do it 28 days, they begin the work together, but A left after some days. B completed the remaining work in 21 days. After how many days did A leave ? |
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7. A is thrice as good work than as B. Together they can finish a work in 6 days.In how many days A alone do the work? |
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8. 36 workers can reap a field in 6 days. If the work is to be completed in 4 days, the extra workers required are |
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9. A certain number of men can do a work in 54days. If there were 6 men more it could be finished in 6 days less. How many men were there in the beginning? |
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10. 10 men can prepare 20 toys in 12 days working 15 hours a day. Then in how many days can 24 men prepare 32 toys working 20 hrs a day? |
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