How long will it take a train travelling at 78kmph to pass an electric pole if the train is 110 meters in lenght?  Choose one.
A) 2.07  B) 3.07  C) 5.07  D) 4.07  E) 2
Sol.   Speed = [ 78x5/18] m/sec =21.7 m / sec.   Time taken = (110/21.7)sec =5.07 sec.   Answer 5.07
<result>C</result>
How long will it take a train travelling at 78kmph to pass an electric pole if the train is 110 meters in lenght?