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Two pipes, P and g can fill a cistern in...

Two pipes, P and g can fill a cistern in 12 and 15 minutes respectively. If both are opened together and at the end of 3 minutes, the first is closed, how much longer will the cistern take to fill?

A

5 minutes

B

`8 1/2` minutes

C

`8 1/4` minutes

D

`8 3/4` minutes

Text Solution

Verified by Experts

The correct Answer is:
C
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