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A is a proper subset of B, then A cup B=...

A is a proper subset of B, then `A cup B=.........`

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A cap (A cup B)'=.............

(A-B) cup (B-A)'=...........

Knowledge Check

  • If A is a proper subset of B, then A cap B=...........

    A
    A
    B
    B
    C
    `phi`
    D
    `A cup B`

  • Given n(U)=20, n(A)=12, n(B)=9, n(A cap B)=4, where U is the universal set, A and B are subsets of U, then n[(A cup B)']=

    A
    17
    B
    9
    C
    11
    D
    3

  • Given n(U)=20, n(A)=12, n(B)=10, n(A cap B)=4 where U is the universal set, A and B are subsets of U then n( (A cup B)^(c) )=

    A
    17
    B
    9
    C
    11
    D
    2

    • Similar Questions

    Explore conceptually related problems

    For any two sets A and B, A cap ( A cup B) =.......... .

    (A cup B)' cup (A' cap B)=......

    The set of (A cup B)- (A cap B) is ........

    If n(U)=70, n(A)=25, n(B)=30, n(A cap B)=5," then "n(A cup B)' is..........

    The set (A-B) cup (B-A) is .........

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