In what time will a railway train 96 m long moving at the rate of 45 kmph pass a telegraph post on its way?
Choose the most appropriate option.
A) 3 sec
B) 8 sec
C) 5 sec
D) 6 sec
E) 7 sec

Rationale: "t = 96 / 45 * 18 / 5 = 8 sec answer : b"
Answer: B