A train 200 m long running at 72 kmph crosses a platform in 25 sec. What is the length of the platform?  Choose the correct choice:
A) 443 m
B) 354 m
C) 450 m
D) 350 m
E) 300 m

Rationale: "e 300 e = 72 * 5 / 18 = 25 = 500 â € “ 200 = 300"
Answer: E