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11th Class Mathematics Sample Paper Maths Olympiad Model Paper-8

  • question_answer
    X and Y are two sets such that \[X\cup Y\]has 18 elements, X has 8 elements and Y has 15 elements; how many elements does \[X\cap Y\]have?

    A)  23                               

    B)  5

    C)  15                               

    D)  18

    E)  None of these

    Correct Answer: B

    Solution :

     Not Available


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