MCQOPTIONS
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| 1. |
The speed of a boat in still water is 20 km/hr. If the boat goes upstream for a distance of 20 km in 4 hours, find the speed of the stream. |
| A. | 20 km/hr |
| B. | 15 km/hr |
| C. | 30 km/hr |
| D. | 25 km/hr |
| Answer» C. 30 km/hr | |