In what time will a railway train 110 m long moving at the rate of 36 kmph pass a telegraph post on its way?
Choose the correct choice: A) 6 sec B) 7 sec C) 8 sec D) 11 sec E) 2 sec

Rationale: "t = 110 / 36 * 18 / 5 = 11 sec answer : d"
Answer: D