If a man can cover 20 metres in one second, how many kilometres can he cover in 3 hours 45 minutes?\nOptions:\n(A) 288\n(B) 162\n(C) 220\n(D) 270\n(E) 122 OK. Let's think. Some random thoughts first:
User
20 m/s = 20 * 18/5 kmph\n3 hours 45 minutes = 3 3/4 hours = 15/4 hours\nDistance = speed * time = 20 * 18/5 * 15/4 km = 270 km. The answer: (D).
Assistant