JEE Main & Advanced Mathematics Sets Question Bank Mock Test - Sets

  • question_answer
    If A x B = {(1, 0), (1, 2), (2, 3), (1, 3), (0, 2)}, then A and B are respectively

    A) {1, 2} and {0, 2, 3}

    B) {1, 2, 0} and {0, 2}

    C) {1, 2, 0} and {0, 2, 3}

    D) {1, 2} and {2, 3}

    Correct Answer: C

    Solution :

    [c] \[A\times B=\{(1,0),(1,2),(2,3),(1,3),(0,2)\}\] We know that the first co-cordinate corresponds to A and second co-ordinate to B. \[\therefore \,A=\{1,2,0\}\]and \[B=\{0,2,3\}\]


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