Question

If $A=\left[\begin{array}{cc}1& 2\\ 3& 4\end{array}\right]$, then number of elements in $A$ are

• A. $4$
• B. $3$
• C. $2$
• D. None of these

Answer 1

The correct option is A $4$

Since, given matrix $A$ is of order $2\times 2=4$

$\therefore$ Number of elements in $A=4$

Hence, option A is correct.