Mathematics · Speed, Time and Distance
A boat, whose speed is 15 km/h in still water, goes 30 km upstream from A to B and returns downstream from B to A. If the total time taken for the round trip is 4 hours 30 minutes, what is the speed of the stream?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 16 km/h
- 23 km/h
- 35 km/h✓
- 47.5 km/h
Correct answer
5 km/h
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