A Train usually travels at a speed of 72 kmph crossing a pole in 7 sec, what would be the length of the train?  Select the correct option:
A) 140 m
B) 142 m
C) 146 m
D) 152 m
E) 158 m
Explanation:   D = 72 * 5/18 * 7= 
<gadget id="calculator">72 * 5/18 * 7</gadget>
<output>140</output>
140 m   140 mnswer: Option 140 m
<result>A</result>
A Train usually travels at a speed of 72 kmph crossing a pole in 7 sec, what would be the length of the train?