Question
A boat can cover 190 km in downstream in 19 hours and
125 km in upstream in 25 hours. Find the speed of boat in still water.Solution
Downstream speed of the boat = 190/19 = 19 km/hr Upstream speed of the boat = 125/5 = 5 km/hr Speed of boat in still water = (19 + 5)/2 = 12 km/hr
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