In what time will a train 150 m long cross an electric pole, it its speed be 144 km/hr?  Choose the correct choice from the following.
A) 2.75
B) 3.75
C) 4.5
D) 5.5
E) 6
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: Option 3.75
<result>B</result>
In what time will a train 150 m long cross an electric pole, it its speed be 144 km/hr?