In how much time will a train of length 100 m, moving at 36 kmph cross an electric pole?
Select
A) 33  B) 787  C) 18  D) 10  E) 87
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
<result>D</result>
In how much time will a train of length 100 m, moving at 36 kmph cross an electric pole?