MCQOPTIONS
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| 1. |
Pipe A can fill an empty tank in 6 hours and pipe B in 8 hours. If both the pipes are opened and after 2 hours pipe A is closed, how much time B will take to fill the remaining tank? |
| A. | 7/3 hours |
| B. | 15/2 hours |
| C. | 10/3 hours |
| D. | 12/5 hours |
| Answer» D. 12/5 hours | |