If a train, travelling at a speed of 90 kmph, crosses a pole in 5 sec, then the length of train is?
Choose the most appropriate option.
A) 40  B) 10  C) 20  D) 125  E) 18
Explanation:   125istance= speed * Time   125 = 90 * 5/18 * 5= 
<gadget id="calculator">90 * 5/18 * 5</gadget>
<output>125</output>
125 m   Answer: 125
<result>D</result>
If a train, travelling at a speed of 90 kmph, crosses a pole in 5 sec, then the length of train is?