Question
A boat covers 45 km downstream in 2 h and the same
distance upstream in 10 h. Find the speed (in km/h) of the boat in still water.Solution
Speed of boat downstream =45/2=22.5km/h Speed of boat upstream =45/10=4.5km/h Speed of the boat in still water = (22.5-4.5)/2 =18/2=9km/h
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