A train 132 m long pass a telegraph pole in 6 seconds. Find the speed of the train	Options.
A) 66 km/hr  B) 68.4 km/hr  C) 72 km/hr  D) 79.2 km/hr  E) None
Sol.   Speed = [132/6] m/sec = [22 * 18/5] km/hr = 79.2 km/hr.   Answer 79.2 km/hr
<result>D</result>
A train 132 m long pass a telegraph pole in 6 seconds. Find the speed of the train