Question
A boat running downstream covers a distance of 32 km in
4 hrs and covering the same distance upstream in 16 hrs. What is the speed of a boat in still water?Solution
Downstream speed = 32/4 = 8 km/hr Upstream speed = 32/16 = 2 km/hr So speed of boat in still water = (8 + 2)/2 = 5 km/hr
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