Question

$A=[a_{ij}{]}_{m\times n}$ is an square matix, if
(a)m < n
(b)m > n
(c)m = n
(d)None of these

Answer 1

Since, in an square matrix, the number of rows is equal to the number of columns, therefore, we must have m=n.
Therefore, $A=[a_{ij}{]}_{m\times n}$
So, correct option is (c).