Question
A train of length 'y' meters
takes 20 seconds to pass a signal pole. It also crosses a bridge that is (y + 480) meters long in 80 seconds. Find the value of y.Solution
ATQ,
Speed of train = y / 20 m/s So, (y + y + 480) / (y / 20) = 80 2y + 480 = 4y 480 = 2y y = 240 So, the value of y is 240 meters.
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