A train running at the speed of 72 km/hr crosses a pole in 9 seconds. Find the length of the train.	Choose the correct choice from the following: A) 150 meter B) 286 meter C) 180 meter D) 288 meter E) 265 meter

Rationale: "speed = 72 * ( 5 / 18 ) m / sec = 20 m / sec length of train ( distance ) = speed * time ( 20 ) * 9 = 180 meter answer : c"
Answer: C