A train 455 m long, running with a speed of 63 km/hr will pass a tree in?
Options:
(A) 22 sec
(B) 16 sec
(C) 17 sec
(D) 39 sec
(E) 12 sec OK. Let's think. Some random thoughts first:
user
Speed = 63 * 5/18 = 35/2 m/sec
Time taken = 455 * 2/35 = 39 sec The answer: (D).
assistant