A train 90 m long running at 56 kmph crosses a platform in 18 sec. What is the length of the platform?	Choose one
A) 190
B) 200
C) 180
D) 881
E) 271

Rationale: "d = 56 * 5 / 18 = 25 = 280 – 90 = 190 answer : a"
Answer: A