Question

The set contains $5$ elements, then the number of elements in the power set $P$ $\left(A\right)$ is equal to

• A. $32$
• B. $36$
• C. $25$
• D. $40$

Answer 1

The correct option is A $32$

$$n\left(A\right)=5$

$\Rightarrow n\left(P\left(A\right)\right)==2^{n\left(A\right)}=2^5=32$