MCQOPTIONS
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| 1. |
A tank can be filled by one tap in 20 min. and by another in 25 min.Both the taps are kept open for 5 min. and then the second is turned off. In how many minutes more will the tank be completely fille |
| A. | 11mints |
| B. | 10mints |
| C. | 20mints |
| D. | 15mints |
| Answer» B. 10mints | |