In what time will a train 100 m long cross an electric pole, it its speed be 162 km/hr?  Choose the correct choice from the following answers
A) 2.5 B) 2.9 C) 2.4 D) 2.8 E) 2.22
Speed = 162 * 5/18= 
<gadget id="calculator">162 * 5/18</gadget>
<output>45</output>
45 m/sec   Time taken= 100/45   = 2.22 sec.   Answer:2.22
<result>E</result>
In what time will a train 100 m long cross an electric pole, it its speed be 162 km/hr?