Question
A boat can cover 145 km in downstream in 5 hours and 144
km in upstream in 8 hours. Find the speed of boat in still water.Solution
Downstream speed of the boat = 145/5 = 29 km/hr upstream speed of the boat = 144/8= 18 km/hr Speed of boat in still water = (29 + 18)/2 = 23.5 km/hr
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