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Pipe A, B and C can fill an empty tank i...

Pipe A, B and C can fill an empty tank in `30/7` hours, if all the three pipes are opened simultaneously A and B are filling pipe and C is an emptying pipe. Pipe a can fill the tank in 15 hours and pipe C can empty it in 12 hours. In how many hours can pipe B alone fill the empty tank ?

A

6

B

3

C

4

D

5

Text Solution

Verified by Experts

The correct Answer is:
C
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