A Train usually travels at a speed of 72 kmph crossing a pole in 7 sec, what would be the length of the train?
Pick:	A) 140 m	B) 142 m	C) 146 m	D) 152 m	E) 158 m

Rationale: explanation : d = 72 * 5 / 18 * 7 = 140 m answer : option a
Answer: A