Question: A train running at the speed of 30 km/hr crosses a pole in 9 sec. What is the length of the train?\nOptions:\n(A) 75 m\n(B) 180 m\n(C) 324 m\n(D) Cannot be determined\n(E) None of these Random thoughts:
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Speed = 30 * 5/18 = 25/3 m/sec\nLength of the train = speed * time = 25/3 * 9 = 75 m The final answer: (A).
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