There are 10 points on a circle. A hexagon can be formed by linking 3 of the 10 points. How many such hexagons are possible?	Choose one: A) 60 B) 120 C) 200 D) 210 E) 600
3 points can be selected out of 10 points in 10C3 ways   =10 !/7!*3!=120   Ans 120
<result>B</result>
There are 10 points on a circle. A hexagon can be formed by linking 3 of the 10 points. How many such hexagons are possible?