1.

A tank with capacity T litres is empty. If water flows into the tank from pipe X at the rate of X litres per minute and water is pumped out by pipe Y at the rate of Y litres per minute and Xu003eY, then in how many minutes will the tank be filled?

A. T/(Y-X)
B. T/(X-Y)
C. (T-X)/Y
D. (X-Y)60/T
Answer» C. (T-X)/Y


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