Question :
A & B are two towns. A person covers the distance from A to B on cycle at 17kmph and returns to A by a boat running at a uniform speed of 8kmph. His average speed for the whole journey is
1. 12.5 km/h
2. 12.33 km/h
3. 10.75 km/h
4. 10.88 km/h
Answer :
4 - 10.88 km/h
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