| 1 |
|
|
| 2 |
|
- A. 3×3
- B. 3×2
- C. 2×1
- D. 2×3
|
| 3 |
|
- A. scalar matrix
- B. diagonalmatrix
- C. triangularmatrix
- D. none of these
|
| 4 |
If A is a square matrix, then A - A<sup>t</sup> is: |
|
| 5 |
A matrix of order m×1 is called: |
- A. row matrix
- B. column matrix
- C. identity matrix
- D. scalar matrix
|
| 6 |
|
|
| 7 |
If A = [aij] and B = [bij] are two matrices of same order r × s, then order of A - B is: |
- A. r - s
- B. r × s
- C. r + s
- D. none of these
|
| 8 |
If any two rows of a square matrix are interchanged, the determinant of the resulting matrix: |
- A. is zero
- B. is multiplicative inverse of the determinant of the original matrix
- C. is additive inverse of the determinant the original matrix
- D. none of these
|
| 9 |
Two matrices X and Y are equal if and only if: |
- A. X and Y are of same order
- B. Their corresponding elements are equal
- C. Both a and b
- D. None of these
|
| 10 |
The additive inverse of a matrix A is: |
- A. A
- B. A<sup>-1</sup>
- C. - A
- D. A<sup>2</sup>
|