In what time will a train 130 m long cross an electric pole, it its speed be 144 km/hr?
Answers:
A) 2.5 sec
B) 3.25 sec
C) 5 sec
D) 12.5 sec
E) 6 sec

Rationale: "speed = 144 * 5 / 18 = 40 m / sec time taken = 130 / 40 = 3.25 sec . answer : b"
Answer: B