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Pipe A can fill a tank in 36 minutes and...

Pipe A can fill a tank in 36 minutes and pipe B can fill it in 45 minutes. If both the pipes are opened to fill an empty tank, in how many minutes will it be full?

A

20 h

B

10 h

C

15 h

D

12 h

Text Solution

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The correct Answer is:
A
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