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

Answer: (B)

32

Answer 2

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

Hence, $2 ^ { 5 } = 32$ .