Matrices and Determinants-Operations on Matrices Determinant of a Matrix [NDA (National Defense Academy) Mathematics]: Questions 1 - 11 of 69
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Question 1
Question 2
Question 3
Question MCQ▾
If A is square matrix of order and entries of A are positive integers. Then is
Choices
Choice (4) | Response | |
---|---|---|
a. | Different from zero | |
b. | 0 | |
c. | Positive | |
d. | An arbitrary integer |
Question 4
Question MCQ▾
If A is non-singular matrix satisfying then which one of the following holds true?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 5
Question MCQ▾
If A is a square matrix of order m such that then the value of m can be
Choices
Choice (4) | Response | |
---|---|---|
a. | 3 | |
b. | 4 | |
c. | 5 | |
d. | 7 |
Question 6
Question 7
Question 8
Question MCQ▾
If then z is
Choices
Choice (4) | Response | |
---|---|---|
a. | Purely Real | |
b. | where | |
c. | where | |
d. | Purely Imaginary |
Question 9
Question 10
Question MCQ▾
The number of distinct real roots of
In the interval is
Choices
Choice (4) | Response | |
---|---|---|
a. | 0 | |
b. | 2 | |
c. | 1 | |
d. | 3 |
Question 11
Question MCQ▾
If P, Q and R represent the angles of an acute angled triangle , no two of them being equal, then the value of
Choices
Choice (4) | Response | |
---|---|---|
a. | Negative | |
b. | Cannot be determined | |
c. | 0 | |
d. | Positive |