A man rows downstream at 18 km/h and upstream at 12 km/h. Find the speed of the man in still water.

Topic: Speed, Time &amp; Distance
Subtopic: Boats and Streams

A14 km/h

B15 km/h

C16 km/h

D17 km/h

Explanation

Speed in still water = 0.5 * (Downstream + Upstream) = 0.5 * (18 + 12) = 15 km/h.

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