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  1. Find the power set of A = {{a, b}, c}.
    1. {ϕ, {a, b}, {c}}
    2. {A, {a, b}, {c}}
    3. {ϕ, A, {a, b}, {c}}
    4. None of these
Correct Option: C

Let, A = {{a, b}, c}. To determine P(A) : Since A contains two elements {a, b}, c, P(A) will contain 22 = 4 elements.
The elements of P(A) are Φ, A, {a, b}, {c}.


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