MCQOPTIONS
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MCQOPTIONS
| 1. |
Two pipes A and B can fill a tank in 4 hours and 6 hours respectively, whereas pipe C can empty the full tank in 3 hours. When the tank is empty. Pipe A and B is opened for 2 hours, then pipe C is opened, In how many hours the tank will be filled after pipe C was opened? |
| A. | \(2\dfrac{1}{2}\) |
| B. | 3 |
| C. | 2 |
| D. | \(1\dfrac{1}{2}\) |
| Answer» D. \(1\dfrac{1}{2}\) | |