In what time will a train 100 m long cross an electric pole, it its speed be 162 km/hr?  Select: A) 2.5 B) 2.9 C) 2.4 D) 2.8 E) 2.22

Rationale: "speed = 162 * 5 / 18 = 45 m / sec time taken = 100 / 45 = 2.22 sec . answer : e"
Answer: E