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P can do a piece of work in 9 days. Q is...

P can do a piece of work in 9 days. Q is 50% more efficient than P. The number of days it takes for Q to do the same piece of work is :

Text Solution

Verified by Experts

Let the Total work be `=1`
given, P can do a piece of work in `9` days
P 's `1` day work `=1/9``
...
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