In what time will a train 150 metres long cross an electric pole, if its speed be 122 km/hr?
Choose one.
A) 2.42 B) 6.42 C) 5.42 D) 4.42 E) 3.42

Rationale: "solution speed = ( 122 x 5 / 18 ) m / sec = 33.88 m / sec time taken = ( 150 / 33.88 ) sec = 4.42 sec . answer d"
Answer: D