MCQOPTIONS
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| 1. |
Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately? |
| A. | 1 hour |
| B. | 2 hours |
| C. | 6 hours |
| D. | 8 hours |
| Answer» D. 8 hours | |