CAT 2025 Slot 2 QA · Question 10

Two tangents drawn from a point $P$ touch a circle with center $O$ at points $Q$ and $R$. Points $A$ and $B$ lie on $PQ$ and $PR$, respectively, such that $AB$ is also a tangent to the same circle. If $\angle AOB=50^{\circ }$, then $\angle APB$, in degrees, equals