JEE Main20258 Apr 2025Evening ShiftMathematicsPermutation and CombinationActual
There are 12 points in a plane, no three of which are in the same straight line, except 5 points which are collinear. Then the total number of triangles that can be formed with the vertices at any three of these 12 points is
Options
- A230
- B220
- C200
- D210
Correct answer
D. 210
Step-by-step solution
¹² C ₃- ^5 C ₃=210