| 1 |
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- A. 25
- B. 20
- C. 40
- D. 2a + 2b + 2c
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| 2 |
The order of a matrix is shown by: |
- A.
- B. number of columns + number of rows
- C. number of rows × number of columns
- D. number of columns - number of rows
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| 3 |
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| 4 |
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| 5 |
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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| 6 |
A matrix in which each element is 0 is called: |
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| 7 |
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- A. 3×3
- B. 3×2
- C. 2×1
- D. 2×3
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| 8 |
[0] is a: |
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| 9 |
Minors and co-factors of the elements in a determinant are equal in magnitude but they may differ in: |
- A. order
- B. position
- C. sign
- D. symmetry
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| 10 |
A<sup>-1</sup> exists if A is: |
- A. singular
- B. nonsingular
- C. symmetric
- D. none
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