If a train, travelling at a speed of 90 kmph, crosses a pole in 5 sec, then the length of train is?  Options:
A) 135 m B) 125 m C) 129 m D) 120 m E) 165 m
Explanation:   D = 90 * 5/18 * 5= 
<gadget id="calculator">90 * 5/18 * 5</gadget>
<output>125</output>
125 m   Answer: Option 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?