A train 140 m long, running with a speed of 63 km/hr will pass a tree in?	Select.
A) 15 sec
B) 16 sec
C) 18 sec
D) 11 sec
E) 8 sec

Rationale: "speed = 63 * 5 / 18 = 35 / 2 m / sec time taken = 140 * 2 / 35 = 8 sec answer : e"
Answer: E