A train running at the speed of 54 km/hr crosses a pole in 9 seconds. Find the length of the train?	Choose one:  A) 150 meter  B) 299 meter  C) 135 meter  D) 155 meter  E) 144 meter

Rationale: "speed = 54 * ( 5 / 18 ) m / sec = 15 m / sec length of train ( distance ) = speed * time ( 15 ) * 9 = 135 meter answer : c"
Answer: C