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  4. If the set A contains 5 elements, then the number of elements in the power set P(A) is equal to

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Q. If the set $A$ contains $5$ elements, then the number of elements in the power set $P(A)$ is equal to

KEAMKEAM 2011

Solution:

Given, $n(A)=5$
So, the number of elements in the power set $=2^{n}$
$=2^{5}=32$