In what time will a train 200 m long cross an electric pole, it its speed be 144 km/hr?
Choose the correct choice from the following choices.
A) 2.5 sec
B) 1.9 sec
C) 8.9 sec
D) 6.9 sec
E) 5 sec

Rationale: "speed = 144 * 5 / 18 = 40 m / sec time taken = 200 / 40 = 5 sec . answer : e"
Answer: E