Welcome to your Entry Test Preparation (ECAT) Math Mock Test 2
If $(3,7)$ and $(8,9)$ belong to complex numbers then $(3,7)\div (8,9)=?$
If $A=\{1, 2, 3, 5, 7\}, U=\{1, 2, 3, …, 11, 12\} \,and\, B= \{4, 5, 7, 9, 3\} \,then\, P(A \cup B)=?$
If $2, x, 6$ are in G. P, then value of $x$ is