Question

Let $S=\{0,1,5,4,7\}$. Then the total number of subsets of S is

• A. 64
• B. 32
• C. 40
• D. 20

Answer 1

The correct option is B

32

$S=\{0,1,5,4,7\}$,
then, total number of subsets of S is $2^n$. Hence, $2^5=32$.