Question
A boat covers 48 km downstream in 4 hours and 32 km upstream in 4 hours. Find the speed of the stream.
Solution
ATQ, Downstream speed = 48/4 = 12 km/h Upstream speed = 32/4 = 8 km/h Speed of stream = (12 - 8)/2 = 2 km/h Hence, the correct answer is 2 km/h.
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