A train 110 m long running at 52 kmph crosses a platform in 30 sec. What is the length of the platform?	Choose the correct choice from the following answers:  A) 287  B) 398  C) 323  D) 245  E) 267
D = 52 * 5/18 = 30   = 433 â€“ 110   = 323   Answer: 323
<result>C</result>
A train 110 m long running at 52 kmph crosses a platform in 30 sec. What is the length of the platform?