Question

A and B can do a piece of work in 6 days and A alone can do it in 9 days. The tim taken by B alone to do the work is:​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

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》A and B can do a piece of work in 6 days, so work done by A and B in one day will be 61

 》A alone can do the same work in 9 days, so work done by A in one day is 91

》work done by B in one day will be =61−91=181so, we can say that B will take 18 days to complete the same work.