Question
A boat travels 48 km downstream in 3 hours and 36 km
upstream in 3 hours. What is the speed of the stream (in km/h)?Solution
ATQ, Downstream speed = 48/3 = 16 km/h Upstream speed = 36/3 = 12 km/h Speed of stream = (16 − 12)/2 = 2 km/h
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