TIME & WORK
1. | A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is : | |||||||||||||||
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3. | A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day? | |||||||
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4. | A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in: | |||||||||||
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5. | A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C? | |||||||||||||||||||||||||||||||
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