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One tap can fill a cistern in 2 hours an...

One tap can fill a cistern in 2 hours and another can other can empty the cistern in 3 hours. How long will they take to fill the cistern if both the taps are opened ?

A

5 hours

B

6 hours

C

7 hours

D

8 hours

Text Solution

Verified by Experts

The correct Answer is:
B
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UPKAR PUBLICATION -PIPES AND CISTERNS-QUESTION BANK
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  15. A cistern is normally filled in 8 h but takes 2 h more to fill because...

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  16. A water tank is 2/5th full. Pipe A can fill the tank in 10 minutes and...

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