In how much time will a train of length 100 m, moving at 36 kmph cross an electric pole? Choose the correct option
A) 15 sec
B) 22 sec
C) 18 sec
D) 10 sec
E) 12 sec
Explanation:   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 IS 10 sec
<result>D</result>
In how much time will a train of length 100 m, moving at 36 kmph cross an electric pole?