ECAT Mathematics Matrices and Determinants Online Test

Mathematics Matrices and Determinants MCQS Online Test

ECAT Math Matrices and Determinants Chapter Online Test

Total Questions: 82
Time Allowed: 40 Minutes
Total Marks: 82
How to Attempt Test: Please choose the right Option in MCQ-type question.
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Math Matrices and Determinants Test Online

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Math

1. Matrix obtained by interchanging its rows and columns is called

2. For a square matrix A if A² = A then A is called

3. Trivial solution of homogeneous linear equation is

4. Let A is a 3 x 3 matrix and B is its adjoint matrix. If |B| = 64, then |A| =

5. [-1, 4 7 2] is a

6. The square matrix A is skew Hermitian when (Ā)ᵗ =

7. If A and B are matrices, then which from the following is true?

8.

9. Two matrices A and B are equal if

10. A and B be two square matrices and if their inverse exist, the (AB)¯¹ =

11. If A is a skew-symmetric matrix of order n and P, any square matrix of order n, prove that P’ AP is

12.

13. If a matrix has m rows and n columns then is order is

14. The transpose of a square matrix is a

15. In matrix multiplication for A and B, (AB)ᵗ is

16. [0 0 0] is

17.

18. Matrices A = [aij] 2 x 3 and B = [bij] 3 x 2 are suitable for

19. The square matrix A is skew-symmetric when Aᵗ = 0

20.

21.

22. If a is matrix of order m x n and B is a matrix of order n x p then order of AB is

23. Let A be a square matrix. Then, ½ (A – A) is

24. An elementary row operation on a matrix A is

25.


 

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