A train 1020 m long running at 102 kmph crosses a platform in 50 sec. What is the length of the platform? Choose the correct choice from the following options
A) 287
B) 298
C) 396
D) 726
E) 267
D = 102 * 5/18 = 50   = 1416 â€“ 1020   = 396   Answer: 396
<result>C</result>
A train 1020 m long running at 102 kmph crosses a platform in 50 sec. What is the length of the platform?