A train 250 m long running at 72 kmph crosses a platform in 25 sec. What is the length of the platform?	Choose the correct option.
A) 150m
B) 200m
C) 250m
D) 270m
E) 300 m
D = 72 * 5/18 = 25 = 500 – 250 = 250m   ANSWER:250m
<result>C</result>
A train 250 m long running at 72 kmph crosses a platform in 25 sec. What is the length of the platform?