| 1 |
If A is a square matrix order 3 × 3 the |kA| equals: |
- A. k |A|
- B. k<sup>2</sup>|A|
- C. k<sup>3</sup> |A|
- D. k<sup>4</sup> |A|
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| 2 |
If a matrix A is symmetric as well as skew symmetric, then: |
- A. A is null matrix
- B. A is unit matrix
- C. A is triangular matrix
- D. A is diagonal matrix
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| 3 |
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| 4 |
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- A. zero
- B. non-singular
- C. singular
- D. none of these
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| 5 |
If A is non singular matrix then A<sup>t</sup> is: |
- A. singular
- B. nonsingular
- C. symmetric
- D. none
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| 6 |
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- A. 3
- B. -3
- C. 1/3
- D. -1/3
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| 7 |
For a square matrix A, |A| equals: |
- A. A<sup>t</sup>
- B. |A<sup>t</sup>|
- C. -|A<sup>t</sup>|
- D. -A<sup>t</sup>
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| 8 |
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- A. scalarmatrix
- B. diagonalmatrix
- C. lower triangularmatrix
- D. uppertriangularmatrix
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| 9 |
A matrix of order m×1 is called: |
- A. row matrix
- B. column matrix
- C. identity matrix
- D. scalar matrix
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| 10 |
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- A. singular
- B. non-singular
- C. rectangular
- D. null
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