MCQOPTIONS
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| 1. |
Two taps can fill a tank in 2hours and 3hours respectively.If both of them are opened at the same time, the tank will be filled up in? |
| A. | 2hours 12min |
| B. | 1hour 12min |
| C. | 5hours |
| D. | None of these |
| Answer» E. | |