A train running at the speed of 50 km/hr crosses a pole in 9 sec. What is the length of the train?
Choose the correct choice from the following answers
A) 125 m
B) 150 m
C) 187 m
D) 167 m
E) 197 m

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