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Two pipes A and B can fill a tank in 6 h...

Two pipes A and B can fill a tank in 6 hours and 9 hours respectively. They are opened alternatel 1 hour each, starting with pipe A first. In how many hours will the tank be filled?

A

`9 1/3`

B

9

C

`9 1/2`

D

`9 1/4`

Text Solution

Verified by Experts

The correct Answer is:
C
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