Question

A tap can fill a tank in 4 hours and another tap can fill the same tank in 6 hours.
Two outlet pipes empty the tank in 8 hours and 12 hours, respectively. All the four
taps are opened at the same time and run for 3 hours. The taps are then closed
How much time will it now take to empty the tank?​

Answer 1

Answer:

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Step-by-step explanation:

A tap can fill a tank in 4 hours and another tap can fill the same tank in 6 hours.

Two outlet pipes empty the tank in 8 hours and 12 hours, respectively. All the four

taps are opened at the same time and run for 3 hours. The taps are then closed

How much time will it now take to empty the tank?