Question
The speed of current is 35 km/hr. If the speed of the
boat in still water had been 10 km/hr more than the original speed then it would take 6.2 hours to cover 341 km in downstream. Find the original speed of the boat in still water (in km/h).Solution
Let the speed of the boat in still water be ‘x’ km/hr According to the question, (x + 10 + 35) = 341/6.2 Or, x = 55 – 45 = 10
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