MCQOPTIONS
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| 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 | |