CUET Mathematics 2023 22 May Shift 3 PYQs

If a set P contains 5 elements and the set Q contains 8 elements, then the number of one-one functions from A to B is :

The number of equivalence relation on the set $\{1, 2, 3\}$ containing $(1, 2)$ and $(2, 1)$ is

Relation R on Real Numbers is defined as $R = \{(a, b) : a \leq b\}$. The relation is :