A train 150 m long running at 72 kmph crosses a platform in 28 sec. What is the length of the platform? Answers
A) 410 m	B) 354 m	C) 450 m	D) 350 m	E) 250 m

Rationale: "a 410 a = ( 72 * 5 / 18 ) * 28 - 150 = 410"
Answer: A