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A can do a piece of work alone in 8 days...

A can do a piece of work alone in 8 days. B can do the same work alone in 21 days. If they work together for 3 days, then how much work is completed?

A

`(27)/(64)`

B

`(29)/(67)`

C

`(29)/(56)`

D

`(31)/(65)`

Text Solution

Verified by Experts

The correct Answer is:
C
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