A boat travels 24 km downstream in 3 hours. If speed of stream is 2 km/h, what is speed of boat in still water?
A6 km/h
B8 km/h
C10 km/h
D12 km/h
Explanation
Downstream speed = 24 / 3 = 8 km/h. Boat speed in still water = Downstream speed – Stream speed = 8 – 2 = 6 km/h.
Exam Relevance
- Topic: Speed, Time & Distance
- Subtopic: Boats and Streams

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