A train 250 m long running at 72 kmph crosses a platform in 50 sec. What is the length of the platform?	Choose the correct choice from the following:  A) 150m  B) 200m  C) 250m  D) 750m  E) 300 m
750m = 72 * 5/18 = 50 = 1000 â€“ 250 = 750m   ANSWER:750m
<result>D</result>
A train 250 m long running at 72 kmph crosses a platform in 50 sec. What is the length of the platform?