Mathematics · Speed, Time and Distance
A boat can travel 21 km in 3 hours going upstream. It can travel 55 km in 5 hours going downstream. What is the speed of the stream?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 km/h✓
- 23 km/h
- 33.5 km/h
- 42.5 km/h
Correct answer
2 km/h
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