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- A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds.
Question 1:
A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform? A. 120 m
B. 240 m
Feedback Speed = (54 x 5/18)m/sec = 15 m/sec.
Length of the train = (15 x 20)m = 300 m.
Let the length of the platform be x metres.
Then, x + 300/36 = 15
x = 240 m.
Length of the train = (15 x 20)m = 300 m.
Let the length of the platform be x metres.
Then, x + 300/36 = 15
x = 240 m.
C. 300 m
D. None of these
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