Question

A tap P can fill a cistern in 5 hours and the tap Q can empty the full cistern in 6 hours. if both the taps are opened together in the empty cistern, in how many time will the cistern be filled up?
please lemme send the correct ans!!​

Answer 1

Step-by-step explanation:

Tap p fill cistern in = 5 hours

Tap p fill cistern in 1hour = 1/5 hours

Tap q empty cistern in = 6 hours

Tap q empty cistern in 1hour = 1/6 hours

Time taken to fill cistern if both tap are opened = =1/5-1/6

=6-5/30

=1/30

In 1hour when both are opened = 1/30

So,

When both tap are opened then cistern take 30 hours to fill.

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