If 7 ministers are to be seated at a round table conference, then how many different ways can they be seated?  Options
A) 24	B) 60	C) 720	D) 520	E) 180
Simple formula:   There are (n - 1)! ways to arrange n distinct objects in a circle.   so its  (7-1)= 
<gadget id="calculator"> (7-1)</gadget>
<output>6</output>
6!= 720=720
<result>C</result>
If 7 ministers are to be seated at a round table conference, then how many different ways can they be seated?