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Manoj can do a piece of work in 42 hours...

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

A

7 hours

B

3.5 hours

C

14 hours

D

2.5 hours

Text Solution

Verified by Experts

The correct Answer is:
C
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KIRAN PUBLICATION-TIME AND WORK-TYPE-IV
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