In what time will a train 100 m long cross an electric pole, it its speed be 136 km/hr? Choose one
A) 2.6 sec  B) 1.9 sec  C) 8.9 sec  D) 6.9 sec  E) 2.9 sec
Speed = 136 * 5/18   = 37.8 m/sec   Time taken = 100/37.8   = 2.6 sec.   2.6 secnswer: 2.6 sec
<result>A</result>
In what time will a train 100 m long cross an electric pole, it its speed be 136 km/hr?