A cistern is filled by a tap in hours. Due to leak in the bottom of the cistern, it takes half an hour longer to fill the cistern. If the cistern is full how long will it take the leak to empty it? - Study24x7
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UPSC & State PSC
1008 followers study24x7 22 Apr 2021 02:29 PM study24x7 study24x7

A cistern is filled by a tap in hours. Due to leak in the bottom of the cistern, it takes half an hour longer to fill the cistern. If the cistern is full how long will it take the leak to empty it?

A

7 hours

B

8 hours

C

14 hours

D

28 hours

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