A train 124 m long running at 68 kmph crosses a platform in 19 sec. What is the length of the platform?	Select:
A) 338 B) 234 C) 240 D) 881 E) 271

Rationale: "d = 68 * 5 / 18 = 19 = 358 – 124 = 234 answer : b"
Answer: B