In what time will a train 120 m long cross an electric pole, it its speed be 185 km/hr? Choose the correct answer.
A) 2.3 sec	B) 2.9 sec	C) 2.7 sec	D) 8.7 sec	E) 8.5 sec

Rationale: "speed = 185 * 5 / 18 = 51 m / sec time taken = 120 / 51 = 2.3 sec . answer : a"
Answer: A