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Pipe X can fill a tank in 12 hours and p...

Pipe X can fill a tank in 12 hours and pipe Y can fill the same tank in 36 hours. In how manyhours both pipe X and pipe Y together can fill one-third part of the tank?

A

9 hours

B

3 hours

C

15 hours

D

27 hours

Text Solution

Verified by Experts

The correct Answer is:
B
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