A 600-meter long train crosses a platform in 78 seconds while it crosses a signal pole in 36 seconds. What is the length of the platform?
Question
A 600-meter long train crosses a platform in 78 seconds while it crosses a signal pole in 36 seconds. What is the length of the platform?
Speed = 600/36 m/sec = 50/3 m/sec.
Let the length of the platform be x meters.
Then, ( x + 600 )/78 = 50/3
=> 3x + 1800 = 3900
=> x = 700 m.
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