A train running at the speed of 90 km/hr crosses a pole in 9 sec. What is the length of the train?  Choose the correct choice from the following:
A) 288
B) 225
C) 277
D) 272
E) 150

Rationale: "speed = 90 * 5 / 18 = 25 m / sec length of the train = speed * time = 25 * 9 = 225 m answer : b"
Answer: B