Matrices and Determinants [NDA (National Defense Academy) Mathematics]: Questions 1 - 8 of 134
Choose Programs:
🎯 58 Numeric, 1242 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 500.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 1
Question MCQ▾
If A, B and C are matrices and then value of the is equal to
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 2
Question MCQ▾
Suppose are real numbers, with . If are in then
Choices
Choice (4) | Response | |
---|---|---|
a. | is singular (where ) | |
b. | The system of equation , has infinite number of solutions | |
c. | is non singular | |
d. | All a., b. and c. are correct |
Question 3
Question MCQ▾
Let , then find , where
Choices
Choice (4) | Response | |
---|---|---|
a. | Zero matrix | |
b. | Identity matrix | |
c. | Does not exist | |
d. | None of the above |
Question 4
Question MCQ▾
In which of the following type of matrix inverse does not exist always?
Choices
Choice (4) | Response | |
---|---|---|
a. | Idempotent | |
b. | Orthogonal | |
c. | Involuntary | |
d. | Question does not provide sufficient data or is vague |
Question 5
Question 6
Question 7
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 8
Question MCQ▾
If P is an orthogonal matrix and A is a periodic matrix with period 4 and , then P will be equal to
Choices
Choice (4) | Response | |
---|---|---|
a. | A | |
b. | ||
c. | ||
d. |