# MCQs Matrices and Determinants Questions 4

Online Multiple-Choice Questions from Chapter 3 of First Year Mathematics (Intermediate Part-I). The Matrices and Determinants Questions test contains 20 MCQ-type questions with Answers. Let us start with the Matrices and Determinant Questions Quiz.

Online Multiple Choice Questions Chapter 3 from First Year Mathematics

1. A square matrix $A=[a_{ij}]$ for which all $a_{ij} = 0$, $i<j$ then $A$ is called

2. Any square matrix $A$ is called a singular if

3. If all entries of a square matrix of order 3 are multiplied by $k$ then the value of $|kA|$ is equal to

4. The multiplicative inverse of a matrix exists only if it is

5. In echelon form of a matrix, the first non-zero entry is called

6. a square matrix $A$ is skew symmetric if

7. A square matrix $A$ is Hermitian if

8. A square matrix $A$ is symmetric if

9. The additive inverse of a matrix exists only if it is

10. For any square matrix $A$. It is always true that

11. A triangular matrix is always a

12. Let $A=[a_{ij}]$ be a square matrix and $M_{ij}$ is the determinant obtained by deleting $i$th row and $j$th column of $A$. Then minor of $a_{ij}$ is equal to

13. For any non-singular matrices $A$ and $B$, it is true that

14. For any square matrix $A$, $|A|$ is equal to

15. Let $A=[a_{ij}]$ be a square matrix and $M_{ij}$ is the determinant obtained by deleting $i$th row and $j$th column of $A$. The cofactor of $a_{ij}$ is equal to

16. A square matrix $A$ is skew Hermitian if

17. For any non-singular matrix $A$, it is true that

18. For any non-singular matrix $A$, it is true that

19. A square matrix $A=[a_{ij}]$ for which all $a_{ij}=0$, $i>j$ then $A$ is called

20. The main diagonal elements of a skew-symmetric matrix must be

### Matrices and Determinants Questions Test with Answers

• Let $A=[a_{ij}]$ be a square matrix and $M_{ij}$ is the determinant obtained by deleting $i$th row and $j$th column of $A$. Then minor of $a_{ij}$ is equal to
• Let $A=[a_{ij}]$ be a square matrix and $M_{ij}$ is the determinant obtained by deleting $i$th row and $j$th column of $A$. The cofactor of $a_{ij}$ is equal to
• For any square matrix $A$. It is always true that
• For any square matrix $A$, $|A|$ is equal to
• If all entries of a square matrix of order 3 are multiplied by $k$ then the value of $|kA|$ is equal to
• For any non-singular matrix $A$, it is true that
• For any non-singular matrix $A$, it is true that
• For any non-singular matrices $A$ and $B$, it is true that
• A square matrix $A=[a_{ij}]$ for which all $a_{ij}=0$, $i>j$ then $A$ is called
• A square matrix $A=[a_{ij}]$ for which all $a_{ij} = 0$, $i<j$ then $A$ is called
• A triangular matrix is always a
• Any square matrix $A$ is called a singular if
• A square matrix $A$ is symmetric if
• a square matrix $A$ is skew symmetric if
• A square matrix $A$ is Hermitian if
• A square matrix $A$ is skew Hermitian if
• The main diagonal elements of a skew-symmetric matrix must be
• In echelon form of a matrix, the first non-zero entry is called
• The additive inverse of a matrix exists only if it is
• The multiplicative inverse of a matrix exists only if it is

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