A train 500 m long can cross an electric pole in 20 sec and then find the speed of the train?
Select the correct option:
A) 17 Kmph  B) 78 Kmph  C) 90 Kmph  D) 18 Kmph  E) 19 Kmph
Length = Speed * time   Speed = L/T   S = 500/20= 
<gadget id="calculator">500/20</gadget>
<output>25</output>
25 M/Sec   Speed= 25*18/5 (To convert M/Sec in to Kmph multiply by 18/5)   Speed = 90 Kmph   Answer: 90 Kmph
<result>C</result>
A train 500 m long can cross an electric pole in 20 sec and then find the speed of the train?