1) 100
2) 150
3) 120
4) None of these
Answer: (1) 100
Solution: If all 10 points are collinear, then number of triangles formed = 10C3 = 120
Triangles formed using 6 collinear points = 6C3 = 20
Therefore, required number of triangles = 120 -20 = 100
1) 100
2) 150
3) 120
4) None of these
Answer: (1) 100
Solution: If all 10 points are collinear, then number of triangles formed = 10C3 = 120
Triangles formed using 6 collinear points = 6C3 = 20
Therefore, required number of triangles = 120 -20 = 100
