A train running at the speed of 100 km/hr crosses a pole in 18 seconds. What is the length of the train?	Choose the correct choice from the following: A) 300 B) 400 C) 500 D) 600 E) 700

Rationale: speed = ( 100 * 5 / 18 ) m / sec = ( 250 / 9 ) m / sec length of the train = ( speed x time ) = ( 250 / 9 * 18 ) m = 500 m . answer : c
Answer: C