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A and B working separately can do a piec...

A and B working separately can do a piece of work in 9 and 12 days respectively. If they work for a day alternately, A beginning, in how many days, he work will be completed?

A

11 days

B

`11 1/2` days

C

`10 1/4` days

D

`10 1/2` days

Text Solution

Verified by Experts

The correct Answer is:
C
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