CA CPT June 2018 Question Paper Quantitative Aptitude for online practice

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Question : 17 of 50

Marks: +1, -0

If A = {ϕ), (ϕ)}} then the power set of A:

(ϕ) {0}
{ϕ,{ϕ}}, {{ϕ}},A}
A
{A} {ϕ}

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