In what time will a train 125 m long cross an electric pole, it its speed be 130 km/hr?	Pick one
A) 3.5	B) 2.7	C) 2.9	D) 2.3	E) 2.1

Rationale: "speed = 130 * 5 / 18 = 36 m / sec time taken = 125 / 36 = 3.5 sec . answer : a"
Answer: A