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Q: A water reservoir has two inlets and one outlet. Through the inlet it can be filled in 3 hours and 3 hours 45 minutes respectively. It can be emptied completely in 1 hour by the outlet. If the two inlets are opened at 01 : 00 pm and 02 : 00 pm respectively and the outlet at 03 : 00 pm then it will be emptied at : |
A. | 17:55:00 |
B. | 17:00:00 |
C. | 17:20:00 |
D. | 17:30:00 |
Answer» D. 17:30:00 | |