Solve Mcqs Of Matrix | Matrix Mcqs with solution
Every Question has four options but only on is correct answer. So Bold Option are correct answer.
1. If a matrix has 3 columns and 6 rows then the order of matrix is:
A. 3 × 6
B. 18
C. 6 × 3
D. 3 × 3
2. If order of a matrix A is 3 × 6, then each row of A consists … elements.
A. 3
B. 6
C. 18
D. None of these
3. A matrix A = [aij ]m×n is square if:
A. m = n
B. m = m
C. m < n
D. m > n
4. A matrix that is not square is:
A. Rectangular
B. Identity
C. Diagonal
D. Scalar
5. A matrix A = [aij ]m×n is row matrix if:
A. n = 1
B. n ≠ 1
C. m = 1
D. m ≠1
6. In a square matrix A = [aij ]n×n, the elements a11, a22, …ann are called … elements.
A. Diagonal
B. Scalar
C. Identity
D. Unit
7. A square matrix A = [aij ]n×n is called upper triangular if aij = 0 for all:
A. i > j
B. i < j
C. i ≥ j
D. i ≤ j
8. A matrix, all of whose elements are zero except those in the main diagonal, is called a
… matrix.
A. Unit
B. Identity
C. Scalar
D. Diagonal
9. Every scalar matrix is a … matrix.
A. Unit
B. Identity
C. Diagonal
D. All of these
10. If A and B are matrices of orders m × n and p × q respectively, then the product AB
is possible if:
A. n = p
B. n = q
C. m = q
D. m = p and n = q
