Question
A and B can fill a tank in 9 hours and 18 hours respectively. Pipe C can empty it in ‘x’ hours. If all three pipes are opened, the tank is filled in 4 hours. Find
A and B can fill a tank in 9 hours and 18 hours respectively. Pipe C can empty it in ‘x’ hours. If all three pipes are opened, the tank is filled in 4 hours. Find
x.
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