In what time will a train 200 m long cross an electric pole, it its speed be 144 km/hr?	Choose the correct choice from the following options:	A) 2.5 sec	B) 1.9 sec	C) 8.9 sec	D) 6.9 sec	E) 5 sec
Speed = 144 * 5/18= 
<gadget id="calculator">144 * 5/18</gadget>
<output>40</output>
40 m/sec   Time taken= 200/40= 
<gadget id="calculator">200/40</gadget>
<output>5</output>
5 sec.   Answer: 5 sec
<result>E</result>
In what time will a train 200 m long cross an electric pole, it its speed be 144 km/hr?