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JEE Main & Advanced Mathematics Sets Question Bank Self Evaluation Test - Sets

  • question_answer
    Let S = the set of all triangles, P= the set of all isosceles triangles, Q= the set of all equilateral triangles, R= the set of all right - angled triangles. What do the sets \[P\cap Q\] and \[R-P\] represents respectively?

    A) The set of isosceles triangles; the set of non-isosceles right angled triangles

    B) The set of isosceles triangles; the set of right angled triangles

    C) The set of equilateral triangles; the set of right angled triangles

    D) The set of isosceles triangles; the set of equilateral triangles

    Correct Answer: A

    Solution :

    [a]As given: S = the set of all triangles P= the of all isosceles triangles Q= the set of all equilateral triangles R= the set of all right angled triangles \[\therefore P\cap Q\] Represents the set of isosceles triangles and R - P represents the set of non- isosceles right angled triangles.


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