Question

The number of elements in power set of $A=\{1,2,3,8,9,10\}$ is

• A. $32$
• B. $64$
• C. $36$
• D. $12$

Answer 1

The correct option is B $64$

Given: $A=\{1,2,3,8,9,10\}$
$n\left(A\right)=6\Rightarrow n\left(P\right(A\left)\right)=2^6=64$