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One pipe can fill a tank in 40 minutes a...

One pipe can fill a tank in 40 minutes and an outlet pipe can empty the full tank in 24 minutes.If both the pipes are opened simultaneously, what time will it take for the full tank to be emptied?

A

30 minutes

B

60 minutes

C

15 minutes

D

45 minutes

Text Solution

Verified by Experts

The correct Answer is:
B
Filling the tank is positive work and emptying the tank is negative work.
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PEARSON IIT JEE FOUNDATION-TIME AND WORK PIPES AND CISTERNS-CONCEPT APPLICATION (LEVEL-1)
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