Is a convex quadrilateral

MATHEMATICS · Single correct · CBSE · Mathematics · Permutations and Combinations · Permutations and Combinations

Problem

ABCD

is a convex quadrilateral.

3

4

5

, and

6

points are marked on sides

AB

BC

CD

, and

DA

, respectively. The number of triangles with vertices on different sides is (1)

270

(2)

220

(3)

282

(4) None of these