A train running at the speed of 50 km/hr crosses a pole in 9 seconds. Find the length of the train?
Choose the correct choice from the following answers:  A) 125  B) 272  C) 278  D) 277  E) 112

Rationale: "speed = 50 * ( 5 / 18 ) m / sec = 125 / 9 m / sec length of train ( distance ) = speed * time ( 125 / 9 ) * 9 = 125 meter answer : a"
Answer: A