Question

• A pipe can fill a cistern in 3 hours. Due to a leakage in the bottom, it is filled in 4 hours.
When the cistern is full , in how much time will it be emptied by the leak?​

Answer 1

Answer:

Pipe fill cistern in 1 hour =1/3

Pipe fills cistern due to a leakage in 1 hour=1/4

total loss of water in 1 hour=1/3 - 1/4

=4 - 3/ 13

=1/12

Time taken to emptied cistern= 12 hours

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