NTSE Stage 2 MAT 2019 Exam Question Paper

Question : 78 of 100

Marks: +1, -0

Observe the given figure below

Based on the figure how many maximum numbers of triangles can be formed with the seven points A, B, C, D, E , F and G?

Solution:

Number of triangles

=[^7C_3-(^3C_3+^3C_3)]

=35-[1+1]

=33

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