How long will it take a train travelling at 68kmph to pass an electric pole if the train is 170 m long	Select the correct option.
A) 6.99 B) 5.99 C) 8.99 D) 4.99 E) 9.99
Sol.   Speed = [ 68x5/18] m/sec =18.9 m / sec.   Time taken = (170/18.9)sec =8.99 sec.   Answer 8.99
<result>C</result>
How long will it take a train travelling at 68kmph to pass an electric pole if the train is 170 m long