MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Discrete Mathematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Let A = [aij] given by abij = (i-j)3 is a _________ |
| A. | Symmetric matrix |
| B. | Anti-Symmetric matrix |
| C. | Identity matrix |
| D. | None of the mentioned |
| Answer» C. Identity matrix | |
| 2. |
If for a square matrix A and B,null matrix O, (AB)T = O implies AT = O and BT = O. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The determinant of a diagonal matrix is the product of leading diagonal s element. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
If A is a lower triangular matrix then AT is a _________ |
| A. | Lower triangular matrix |
| B. | Upper triangular matrix |
| C. | Null matrix |
| D. | None of the mentioned |
| Answer» C. Null matrix | |
| 5. |
For matrix Aand a scalar k, (kA)T is equal to _________ |
| A. | k(A) |
| B. | k(A)<sup>T</sup> |
| C. | k<sup>2</sup>(A) |
| D. | k<sup>2</sup>(A)<sup>T</sup> |
| Answer» C. k<sup>2</sup>(A) | |
| 6. |
For matrix A, (AT)T is equals to ___________ |
| A. | A |
| B. | A<sup>T</sup> |
| C. | Can t say |
| D. | None of the mentioned |
| Answer» B. A<sup>T</sup> | |