Question

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

• A. $32$
• B. $25$
• C. $16$
• D. $8$
• E. $10$

Answer 1

Answer: (A)

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