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1. A 300 metre long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds. What is the length of the platform?





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  • By: guest on 01 Jun 2017 05.48 pm
    Speed = 300 m/sec = 50 m/sec. 18 3 Let the length of the platform be x metres. Then, x + 300 = 50 39 3 3(x + 300) = 1950 x = 350 m.
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