CUET Preparation Today
CUET
Section B1
Relations and Functions
Let $A = \{3, 5\}$. Then number of reflexive relations of $A$ is:
2
4
0
8
The correct answer is Option (2) → 4 ##
The number of reflexive relations is $2^{n(n-1)}$
$⇒ 2^{2(2-1)} = 4$
