Arithmetic Ability
Permutations and Combinations

142 / 181

Q.

12 points lie on a circle. How many cyclic quadrilaterals can be drawn by using these points?

View Answer

Correct choice: C

Explanation:

For any set of 4 points we get a cyclic quadrilateral. Number of ways of choosing 4 points out of 12 points is 12C4 = 495. Therefore, we can draw 495 quadrilaterals
142 / 181