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  1. If the Universal Set U = {1, 2, 3, 4, 5, 6, 7, 8} and A = {1, 2, 3, 4}, then AC is equal to
    1. {5, 6, 7, 8}
    2. {5, 6, 1, 2}
    3. {5, 6, 2, 3}
    4. {5, 6, 3, 4}
Correct Option: A

Given in question , U = {1, 2, 3, 4, 5, 6, 7, 8} and A = {1, 2, 3, 4}
AC = U - A = {x : x ∈ U and x ∉ A}
∴ AC = {5, 6, 7, 8}



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