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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
There are 10 points, out of which 6 are collinear.
Number of triangles formed:
Solution
Total triangles from 10 points: $\binom{10}{3} = 120$Invalid triangles from 6 collinear points:
$\binom{6}{3} = 20$
So valid triangles = $120 - 20 = 100$
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