| 1 |
A square matrix A is said to be singular if |
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| 2 |
Do (A + B) + C = A + (B + C)? |
- A. No
- B. Yes
- C. May or may not
- D. Never
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| 3 |
Order of the matrix having m rows and n columns is: |
- A. m + n
- B. m - n
- C. m / n
- D. m x n
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| 4 |
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- A. Unit matrix
- B. Diagonal matrix
- C. Square matrix
- D. Singular matrix
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| 5 |
Any matrix "A" is a symmetric matrix if |
- A. A = A
- B. A = A<sup>t</sup>
- C. A = -A<sup>t</sup>
- D. A = A-I
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| 6 |
In a square matrix number of rows and column are |
- A. Equal
- B. Now equal
- C. Greater
- D. Less then
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| 7 |
If A = [aij], then A+ is : |
- A. [aij]
- B. [bji]
- C. [aji]
- D. [aii]
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| 8 |
Cramer's rule is used to solve |
- A. System of quadratic equation
- B. System of linear equation
- C. Any system of equation
- D. None
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| 9 |
If A is a singular matrix then: |
- A. A = 0
- B. |A| = 0
- C. A ≠ 0
- D. |A| ≠ 0
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| 10 |
If Ax = B then x is |
- A. BA<sup>-1</sup>
- B. AB
- C. B/A
- D. A<sup>-1</sup> B
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