Home Maths Permutations & Combination JEE Main 2021 If the sides AB, BC and CA of a triangle ABC…
Maths Permutations & Combination JEE Main 2021 Single Correct MCQ
Published on: August 13, 2026

If the sides AB, BC and CA of a triangle ABC have 3,5 and 6 interior points respectively, then the totalnumber of triangles that can be constructed using these points as vertices, is equal to :

A
364
B
240
C
333
D
360

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Text Solution

Verified by Experts
The correct answer is:
C

JEE Main 2021

Total Number of triangles formed 14 C 3 − 3 C 3 − 5 C 3 − 6 C 3

= 333

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