A train 120 m long running at 60 kmph crosses a platform in 20 sec. What is the length of the platform?	Choose the correct choice from the following answers:
A) 213
B) 298
C) 350
D) 726
E) 267

Rationale: "d = 60 * 5 / 18 = 20 = 333 â € “ 120 = 213 answer : a"
Answer: A