If $A$ and $B$ are two sets,then $A \times B = B \times A$ if and only if

Domain of $f(x) = \log |\log x|$ is

For which of the following cases are sets $A$ and $B$ equivalent?

Given two finite sets $A$ and $B$ such that $n(A) = 2$ and $n(B) = 3$. Then,the total number of relations from $A$ to $B$ is:

The interval for which ${\sin ^{ - 1}}\sqrt x + {\cos ^{ - 1}}\sqrt x = \frac{\pi }{2}$ holds is:

In a college of $300$ students,every student reads $5$ newspapers and every newspaper is read by $60$ students. The number of newspapers is: