In what time will a train 110 m long cross an electric pole, it its speed be 144 km/hr? Select:
A) 2.75 sec	B) 4.25 sec	C) 5 sec	D) 12.5 sec	E) 6 sec
Speed = 144 * 5/18= 
<gadget id="calculator">144 * 5/18</gadget>
<output>40</output>
40 m/sec   Time taken= 110/40= 
<gadget id="calculator">110/40</gadget>
<output>11/4 = around 2.75</output>
2.75 sec.   2.75 secNSWER:2.75 sec
<result>A</result>
In what time will a train 110 m long cross an electric pole, it its speed be 144 km/hr?