SSC Quantitative Aptitude Number System and its Operations Question Bank Set Theory (II)

  • question_answer
    If A and B are two sets satisfying \[A-B=B-A,\]then which one of the following is correct?

    A) \[A=\phi \]

    B) \[A\cap B=\phi \]

    C) \[A=B\]

    D) None of the above

    Correct Answer: C

    Solution :

    [c] Since, A and B are two sets satisfying \[A-B=B-A,\]which is possible only if \[A=B.\]


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