Question
A boat takes 9 hrs to travel 144 km downstream. The
speed of the boat downstream is 2 times the speed of the boat upstream. What is the speed of the current?Solution
Speed of boat downstream = 144/9 = 16 km/h Speed of boat upstream = 16/2 = 8 km/h Speed of Current = (Downstream speed – Upstream speed)/2 = (16 - 8)/2 = 4 km/hÂ
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