Use some thinking to answer the following question. If a man can cover 14 metres in one second, how many kilometres can he cover in 3 hours 45 minutes?\nOptions:\n(A) 288\n(B) 162\n(C) 189\n(D) 168\n(E) 122
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14 m/s = 14 * 18/5 kmph\n3 hours 45 minutes = 3 3/4 hours = 15/4 hours\nDistance = speed * time = 14 * 18/5 * 15/4 km = 189 km. So the final answer is (C).
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