Manoj can do a piece of work in 42 hours. If he is joined by Jayashree who is 100% more efficient, in what time they will finish the work together?

Manoj can do a piece of work in 42 hours. If he is joined by Jayashree

1.	Manoj can do a piece of work in 42 hours. If he is joined by Jayashree who is 100% more efficient, in what time they will finish the work together?
A.	7 hours
B.	3.5 hours
C.	14 hours
D.	2.5 hours
Answer» D. 2.5 hours

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Manoj can do a piece of work in 42 hours. If he is joined by Jayashree who is 100% more efficient, in what time they will finish the work together?

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