Mahmood can do a piece of work in 40 hours. If he is joined by Janaki who is 50% more efficient, in what time will they together finish the work?

Mahmood can do a piece of work in 40 hours. If he is joined by Janaki

1.	Mahmood can do a piece of work in 40 hours. If he is joined by Janaki who is 50% more efficient, in what time will they together finish the work?
A.	2 hours
B.	6 hours
C.	16 hours
D.	3 hours
Answer» D. 3 hours

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Mahmood can do a piece of work in 40 hours. If he is joined by Janaki who is 50% more efficient, in what time will they together finish the work?

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