A train 70 m long, running with a speed of 63 km/hr will pass a tree in?  Choose the correct choice from the following answers
A) 4 sec  B) 16 sec  C) 6 sec  D) 20 sec  E) 8 sec
Speed = 63 * 5/18 = 35/2 m/sec   Time taken = 70 * 2/35 = 16 sec   4 secNSWER: 4 sec
<result>A</result>
A train 70 m long, running with a speed of 63 km/hr will pass a tree in?