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Q: A and B can fill the tank in 60 min and 90 min. There is a leak at 3/4th of the height. If leak is opened alone, it takes 36 min to empty till 3/4th the height. Find the time taken to fill the tank if all of the taps and the leak are opened simultaneously. |
A. | 39 |
B. | 27 |
C. | 37 |
D. | 33 |
Answer» B. 27 | |