MCQOPTIONS
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| 1. |
A tap can fill a tub in 24 hours. Due to a leak at the bottom of the tub, the tap fills the tub in 36 hours. If the tub is full, how much time will the leak take to empty it? |
| A. | 72 hours |
| B. | 48 hours |
| C. | 60 hours |
| D. | 96 hours |
| Answer» B. 48 hours | |