A train of 24 carriages, each of 60 meters length, when an engine also of 60 meters length is running at a speed of 60 kmph. In what time will the train cross a bridge 4.5 km long?\nOptions:\n(A) 4\n(B) 3\n(C) 5\n(D) 6\n(E) 9 Let's think first. Stream of consciousness:
User
D = 25 * 60 + 4500 = 6000 m\nT = 6000/60 * 18/5 = 360 sec = 6 mins
So, the answer is (D).
Assistant