Question

If A = {2,4} then subsets of A are ___________

(a) {{2}, {4}}

(b) {{2}, {4}, {2,4}}

(c) {Ф, {2}, {4}}

(d) {Ф, {2}, {4}, {2,4}}

I have been asked this question during an online interview.

The question is from Subsets in section Sets of Mathematics – Class 11

Answer 1

Right choice is (d) {Ф, {2}, {4}, {2,4}}

Easiest explanation: The subsets of a set are null set the set itself and a combination of all of its elements.