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Raja can do a piece of work in 14 days, ...

Raja can do a piece of work in 14 days, while Rani can do the same work in 21 days. They started the work together but 3 days before the completion of the work, Raja left the work. The total number of days to complete the work is :

A

7

B

8.5

C

5

D

`7 1/5`

Text Solution

Verified by Experts

The correct Answer is:
D
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