In what time will a train 45 m long cross an electric pole, it its speed be 108 km/hr?  Choose the correct choice from the following choices:
A) 0.5
B) 1.25
C) 1.5
D) 2.5
E) 3.5
Speed = 108 * 5/18= 
<gadget id="calculator">108 * 5/18</gadget>
<output>30</output>
30 m/sec   Time taken= 45/30= 
<gadget id="calculator">45/30</gadget>
<output>3/2 = around 1.5</output>
1.5 sec.   Answer: 1.5
<result>C</result>
In what time will a train 45 m long cross an electric pole, it its speed be 108 km/hr?