Question
A boat travels 48 km downstream in 4 hours and 36 km
upstream in 4 hours. Find the speed of the stream.Solution
ATQ, Downstream speed = 48/4 = 12 km/h Upstream speed = 36/4 = 9 km/h Speed of stream = (12 - 9)/2 = 3/2 = 1.5 km/h
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