A goods train runs at a speed of 72 kmph and crosses a 270 m long platform in 26 seconds.What is the length of the goods train?	Choose the correct answer
A) 230 m B) 250 m C) 260 m D) 270 m E) 240 m

Rationale: "s = 270 + x / t 72 * 5 / 18 = 270 + x / 26 x = 250 answer : b"
Answer: B