Question
A man running at the speed of 6 kmph was over taken by
the train moving with the speed of 78 kmph in 23 seconds. Find the length of train.Solution
According to the question, Let length of train be ‘x’ m. => (Speed of train – Speed of man) = Length of train/Time => (78 - 6)× (5/18) = x/23 => 20 = x/23 => x = 460 Length of train is 460 meter.
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11 * 7 = 72, 14 * 7 ...
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