A train 700 m long can cross an electric pole in 20 sec and then find the speed of the train?
Choose one.
A) 72  B) 67  C) 28  D) 126  E) 27
Length = Speed * time   Speed = L/T   S = 700/20= 
<gadget id="calculator">700/20</gadget>
<output>35</output>
35 M/Sec   Speed= 35*18/5 (To convert M/Sec in to Kmph multiply by 18/5)   Speed = 126 Kmph   Answer:126
<result>D</result>
A train 700 m long can cross an electric pole in 20 sec and then find the speed of the train?