| 1 |
If A is a matrix of order m × n, then the number of elements in each row of A is: |
- A. m
- B. n
- C. m + n
- D. m - n
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| 2 |
|
- A. 3×3
- B. 3×2
- C. 2×1
- D. 2×3
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| 3 |
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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| 4 |
|
- A. 40
- B. -40
- C. 26
- D. -26
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| 5 |
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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| 6 |
|
- A. singular
- B. non-singular
- C. rectangular
- D. null
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| 7 |
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- A. zero
- B. non-singular
- C. singular
- D. none of these
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| 8 |
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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| 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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