In what time will a train 150 m long cross an electric pole, it its speed be 144 km/hr? Choose one:  A) 2.5 sec  B) 4.25 sec  C) 3.75 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= 150/40= 
<gadget id="calculator">150/40</gadget>
<output>15/4 = around 3.75</output>
3.75 sec.   ANSWER:3.75 sec
<result>C</result>
In what time will a train 150 m long cross an electric pole, it its speed be 144 km/hr?