Class 12 Mathematics: Matrices and Determinants Practice
This worksheet will test your understanding of fundamental concepts and applications of matrices and determinants, including operations, properties, and inverse calculations.
Class 12CBSEMathematicsmediumPractice
Preview · 10 questions
- Q1. If A is a square matrix of order 3 such that |adj A| = 64, then |A| is equal to:
- 8
- -8
- ±8
- 64
- Q2. For any two matrices A and B of suitable orders, which of the following is NOT true?
- (AB)' = B'A'
- (A+B)' = A'+B'
- (kA)' = kA'
- AB = BA
- Q3. If A is a skew-symmetric matrix of odd order, then |A| is:
- 0
- 1
- -1
- depends on the matrix
- Q4. The number of possible matrices of order 3x3 with each entry 0 or 1 is:
- 9
- 27
- 81
- 512
- Q5. If A is a non-singular matrix of order n, then adj(A)' = ?
- (adj A)'
- adj(A')
- A
- A inversa
+ 5 more in the printable PDF.