Question Id : 13438 |
Context : JEE Main 2023 (11 April Evening Shift)
Let $A=\{1,3,4,6,9\}$ and $B=\{2,4,5,8,10\}$.
Let $R$ be a relation defined on $A\times B$ such that
$R=\{\,((a_1,b_1),(a_2,b_2)) : a_1 \le b_2 \text{ and } b_1 \le a_2 \,\}$.
Then the number of elements in the set $R$ is:
🎥 Video solution / Text Solution of this question is given below: