A train 250 m long running at 72 kmph crosses a platform in 50 sec. What is the length of the platform?\nOptions:\n(A) 150m\n(B) 200m\n(C) 250m\n(D) 750m\n(E) 300 m Think first, then make a decision. Some random thoughts:
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D = 72 * 5/18 = 50 = 1000 â€“ 250 = 750m So the answer is (D).
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