Boats & Streams · Question 11 · Medium
A boat covers 24 km upstream in 6 hours and 24 km downstream in 4 hours. What is the speed of the boat in still water?
- 5 km/h
- 4 km/h
- 6 km/h
- 1 km/h
Answer and explanation
Answer: A. 5 km/h
Explanation: Upstream speed = 4 km/h, downstream = 6 km/h. Boat speed = (6 + 4)/2 = 5 km/h.
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