A train running at the speed of 58 km/hr crosses a pole in 9 sec. What is the length of the train?
Choose the correct choice from the following answers
A) 145 m  B) 786 m  C) 566 m  D) 546 m  E) 445 m

Rationale: "speed = 58 * 5 / 18 = 145 / 9 m / sec length of the train = speed * time = 145 / 9 * 9 = 145 m answer : a"
Answer: A