| 1 |
We cannot find the inverse of a:<br> |
- A. Square matrix
- B. Diagonal matrix
- C. Triangular matrix
- D. Singular matrix
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| 2 |
In binary system the base of the system is: |
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| 3 |
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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| 4 |
Do AB = BA? |
- A. Never
- B. Yes
- C. May or may not
- D. None of these
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| 5 |
If A is a singular matrix then: |
- A. A = 0
- B. |A| = 0
- C. A ≠ 0
- D. |A| ≠ 0
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| 6 |
<br> |
- A. Equal
- B. Possible
- C. Not possible
- D. Zero
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| 7 |
A square matrix A is said to be singular if |
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| 8 |
2 x 10 + 3 x 10<sup>o</sup> =. |
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| 9 |
A square matrix whose elements below the main diagonal are all zero is called. |
- A. Upper triangular matrix
- B. Lower triangular matrix
- C. Rectangular
- D. Row matrix
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| 10 |
In decimal system base of system is: |
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