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JEE MAIN 2021
16-03-2021 S2
Question
Consider a rectangle ABCD having $5,7,6,9$ points in the interior of the line segments $A B, C D, B C, D A$ respectively. Let $\alpha$ be the number of triangles having these points from different sides as vertices and $\beta$ be the number of quadrilaterals having these points from different sides as vertices. Then $(\beta-\alpha)$ is equal to :
Select the correct option:
A
795
B
1173
C
1890
D
717
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Mathematics
Easy
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