Question

Let $R$ be an equivalence relation on a finite set $A$ having $n$ elements. Then, the number of ordered pairs in $R$ is

• A. Less than $n$
• B. Greater than or equal to $n$
• C. Less than or equal to $n$
• D. None of these

Answer 1

Answer: (B)

As $R$ is an equivalence relation on set $A$.
Hence, $R$ has atleast $n$ ordered pairs.