A train 400 m long can cross an electric pole in 10 sec and then find the speed of the train?  Pick one
A) 165 Kmph  B) 144 Kmph  C) 172 Kmph  D) 175 Kmph  E) 178 Kmph
Length = Speed * time   Speed = L/T   S = 400/10= 
<gadget id="calculator">400/10</gadget>
<output>40</output>
40 M/Sec   Speed= 40*18/5 (To convert M/Sec in to Kmph multiply by 18/5)   Speed = 144 Kmph   ANSWER:144 Kmph
<result>B</result>
A train 400 m long can cross an electric pole in 10 sec and then find the speed of the train?