MCQOPTIONS
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MCQOPTIONS
| 1. |
Two taps A and B can fill a tank in 12 minutes and 15 minutes respectively. The tank can be emptied by a third tap C in 6 minutes. If A and B are kept open for 5 minutes in the beginning and then C is opened along with A and B being kept open, the time taken to empty the tank is: |
| A. | 60 minutes |
| B. | 45 minutes |
| C. | 30 minutes |
| D. | 75 minutes |
| Answer» C. 30 minutes | |