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JEE MAIN 2025
08-04-25 S2
Question
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
Select the correct option:
A
230
B
200
C
210
D
220
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
${ }^{12} \mathrm{C}_3-{ }^5 \mathrm{C}_3=210$
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