If a train, travelling at a speed of 90 kmph, crosses a pole in 5 sec, then the length of train is?	Pick one.
A) 177 m  B) 125 m  C) 188 m  D) 178 m  E) 777 m
D = 90 * 5/18 * 5= 
<gadget id="calculator">90 * 5/18 * 5</gadget>
<output>125</output>
125 m   Answer: 125 m
<result>B</result>
If a train, travelling at a speed of 90 kmph, crosses a pole in 5 sec, then the length of train is?