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A can do a work in 36 days and B in 12 d...

A can do a work in 36 days and B in 12 days. If they work on it together for 3 days, then what fraction of work is left?

A

`(2)/(3)`

B

`(1)/(3)`

C

`(1)/(4)`

D

`(1)/(5)`

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The correct Answer is:
A
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