The number of triangles that can be formed by choosing the vertices from a set of 12 points, Seven of which lie on the same lie on the same straight…

CA Foundation · Quantitative Aptitude · MTP · May 2026
The number of triangles that can be formed by choosing the vertices from a set of 12 points, Seven of which lie on the same lie on the same straight line is:
(A) A. 185
(B) B. 175
(C) C. 115
(D) D. 105

Suggested Answer and Working Notes:

Correct Answer: Option (A)

A. 185

Topics: Part-A: Business Mathematics

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