Multiple Choice Questions on How many quadrilaterals can be formed by joining the vertices of an octagon ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

How many quadrilaterals can be formed by joining the vertices of an octagon ........

Quantitative Aptitude ( CCS) Permutation & Combination
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    How many quadrilaterals can be formed by joining the vertices of an octagon?
     
     

    50

    Incorrect Answer

    60
     

    Incorrect Answer

    70

    Correct Answer

    80

    Incorrect Answer
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    Explanation:

    A quadrilateral has 4 sides or 4 vertices whereas an octagon has 8 sides of 8 vertices.

    Reqd no. of quadrilaterals = 8C4 = 8 x 7 x 6 x 5/4! = 70
     


     

    By: Sandeep Dubey
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