Question
A boat travels 480 km downstream in 24 hours. If the
same boat can go 150 km in still water in 10 hours, then find the time taken to cover 560 km upstream.Solution
ATQ, Downstream speed = 480 / 24 = 20 km/hr Speed of boat in still water = 150 / 10 = 15 km/hr Speed of water = 5 km/hr Upstream time to cover 560 km: 560 / 10 = 56 hours
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