If `A` is a diagonal matrix of order `'n'` such that `A^2 = A.` then number of possible values of matrix `A` is

If A is a non - null diagonal matrix of order 3 such that A^(4)=A^(2) , then the possible number of matrices A are

If A is a diagonal matrix of non-positive entries and order 3 such that A^2=I , then

The number of diagonal matrix, A or order n which A^3=A is

If A is a square matrix of order n×n such that find the value of |5AadjA|

If a matrix has 6 elements, then number of possible orders of the matrix can be

If matrix A has 180 elements, then the number of possible orders of A is

If matrix A has 180 elements, then the number of possible orders of A is

Square matrix and diagonal matrix

If a matrix has 16 elements, what is the number of possible orders=____.