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Manish can complete a work in 21 days an...

Manish can complete a work in 21 days and Karan can complete the same work in 28 days. If both together work for 7 days, then what fraction of total work is left?

A

3/5

B

2/3

C

7/12

D

5/12

Text Solution

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The correct Answer is:
A, B
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