Math, asked by virenderdhanda5972, 10 months ago

A & b can do a piece of work in 20 days. After a has worked for 15 days, b finished the remaining work in 21 days. In how many days can a finish it alone?

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Answered by ibra61

6

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A & b can do a piece of work in 20 days. After a has worked for 15 days, b finished the remaining work in 21 days. In how many days can a finish it alone?

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