Question
A boat can cover 187 km in downstream in 11 hours and
180 km in upstream in 18 hours. Find the speed of boat in still waterSolution
Downstream speed of the boat = 187/11 = 17 km/hr Upstream speed of the boat = 180/18 = 10 km/hr Speed of boat in still water = (17 + 10)/2 = 13.5 km/hr
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