A tap ‘P’ can fill a tank in 5hrs and a tap ‘Q’ can fill the same tank in
15hrs.Find the time taken to fill the tank if both the taps are opened
together.
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Step-by-step explanation:
Filling takes 5hrs=300mt
In one minute filling rate=V/300
Emptying time 8hrs
One minute emptying rate=V/480
If both the taps are open
Simultaneously the tank water filling rate/minute=V/300-V/480
=V(8–5)/2400
=V3/2400
=V/800
The tank should get filled up in 800 MTs or800/60=13hrs and 20mts
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