Question

Which one of the following statements is correct ? The power set of the null set is

• A. null set
• B. a singleton set
• C. a finite set with two or more elements
• D. $\\{ a^b | a \in R, b \in N \\}$

Answer 1

Answer: (B)

a singleton set

Answer 2

The power set of the null set is single set as power set of $\phi$ is $\\{ \phi \\}$.