| 1 |
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| 2 |
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- A. 3
- B. -3
- C. 1/3
- D. -1/3
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| 3 |
A matrix in which each element is 0 is called: |
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| 4 |
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| 5 |
If A is a square matrix, then A - A<sup>t</sup> is: |
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| 6 |
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- A. 25
- B. 20
- C. 40
- D. 2a + 2b + 2c
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| 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
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| 8 |
If A is non singular matrix then A<sup>t</sup> is: |
- A. singular
- B. nonsingular
- C. symmetric
- D. none
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| 9 |
If two rows (or two columns) in a square matrix are identical (i.e. corresponding elements are equal), the value of the determinant is: |
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| 10 |
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