MCQOPTIONS
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| 1. |
Speed of a boat in still water is 13 km/h. Speed of water current is 4 km/h. In what time can the boat cover 68 km upstream? |
| A. | 8 hours |
| B. | 7 hours 33 minutes |
| C. | 4 hours |
| D. | 7 hours |
| Answer» C. 4 hours | |