List of top Mathematics Questions on Sets asked in AIEEE

The set representing the correct order of ionic radius is :

If $A, B$ and $C$ are three sets such that $A \cap B = A \cap C$ and $A \cup B = A \cup C$ , then

The domain of $\sin^{-1}\left[\log_3\left(\frac{x}{3}\right)\right]$ is