A train running at the speed of 52 km/hr crosses a pole in 18 seconds. What is the length of the train? Pick one.
A) 120 metres B) 180 metres C) 260 metres D) 150 metres E) 100 meters

Rationale: "speed = 52 x 5 / 18 m / sec = 130 / 9 m / sec . length of the train = ( speed x time ) . length of the train = 130 / 9 x 18 m = 260 m . answer : c"
Answer: C