Multiple Choice Questions on Find the no of triangles formed by joining the vertices of a polygon of 12 sides ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

Find the no of triangles formed by joining the vertices of a polygon of 12 sides ........

Quantitative Aptitude ( CCS) Permutation & Combination
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    Find the no. of triangles formed by joining the vertices of a polygon of 12 sides.
     
     

    110

    Incorrect Answer

    120
     

    Incorrect Answer

    210 

    Incorrect Answer

    220

    Correct Answer
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    Explanation:

     A polygon of 12 sides will have12 vertices. A triangle will be formed by joining any three vertices of the polygon.

    number of triangles formed = 12C3 = 12 x 11 x 10/3! = 220

     

    By: Sandeep Dubey
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