Question
The upstream speed of a boat is 12 km/hr. If the boat
covers 180 km downstream in 5 hours, find the speed of the current.Solution
Let the speed of the current be ‘x’ km/hr Therefore, speed of the boat in still water = (x + 12) km/hr According to the question, (x + 12 + x) = 180/5 Or, 2x + 12 = 36 Or, 2x = 24 Or, x = 12 Therefore, speed of the current = 12 km/hr
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