MCQ
The number of relations that can be formed from a set A to a set B is:
Unit-3 Sets and Relations
A 2^(|A| × |B|)
B 2^(|A| + |B|)
C |A| × |B|
D 2^(|A| ÷ |B|)
Explanation

Every subset of A × B is a relation, and A × B has |A| × |B| ordered pairs, giving 2^(|A| × |B|) relations.