In how much time will a train of length 100 m, moving at 36 kmph cross an electric pole? Options
A) 17 sec
B) 14 sec
C) 78 sec
D) 10 sec
E) 12 sec
Convert kmph to mps. 36 kmph = 36 * 5/18= 
<gadget id="calculator">36 * 5/18</gadget>
<output>10</output>
10 mps.   The distance to be covered is equal to the length of the train.   Required time t= d/s = 100/10= 
<gadget id="calculator">100/10</gadget>
<output>10</output>
10 sec.   Answer:10 sec:
<result>D</result>
In how much time will a train of length 100 m, moving at 36 kmph cross an electric pole?