Question

Which of the following statements are true?
(i) For any set $A,A$ is a proper subset of $A$
(ii) For any set $A,\varphi$ is a subset of $A$
(iii) For any set $A,A$ is a subset of $A$

• A. (i) and (ii)
• B. (ii) and (iii)
• C. (i) and (iii)
• D. (i) (ii) and (iii)

Answer 1

Answer: (B)

(ii) and (iii)

For one set (A) to be a proper subset of another (B), there should be at least one element in B which is not present in A.