There are 10 points on a circle. A hexagon can be formed by linking 5 of the 10 points. How many such hexagons are possible?  Pick.
A) 60	B) 120	C) 200	D) 252	E) 600
5 points can be selected out of 10 points in 10C5 ways   =10 !/5!*5!=252   Ans 252
<result>D</result>
There are 10 points on a circle. A hexagon can be formed by linking 5 of the 10 points. How many such hexagons are possible?