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Raj can do a piece of work in 20 days an...

Raj can do a piece of work in 20 days and Rohan can do it in 12 days. How long will they take, if both work together?

A

5 days

B

`6 (1)/(2)` days

C

`7 (1)/(2)` days

D

8 days

Text Solution

Verified by Experts

The correct Answer is:
C
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