The number of subsets of A = {1, 2, 3,4} is _____.

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Solution

The correct option is B
16

The number of subsets of a set having 'n' elements = $2^{n}$

A = {1, 2, 3,4}

n(A) = 4

Number of proper subsets of A = $2^{4} = 16$ .

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The number of subsets of A = {1, 2, 3,4} is _____.

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