In what time will a train 150 m long cross an electric pole, it its speed be 144 km/hr?	Options:
A) 2.5 sec  B) 1.9 sec  C) 3.8 sec  D) 6.9 sec  E) 2.9 sec

Rationale: "speed = 144 * 5 / 18 = 40 m / sec time taken = 150 / 40 = 3.8 sec . answer : c"
Answer: C