Matrices-4

MCQ Questions Class 12 Matrices With Answers

CBSE Class 12 Matrices Multiple Choice Questions with Answers. MCQ Questions Class 12 Matrices with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT MCQ questions Class 12 Matrices with Answers to know their preparation level.

Students who are searching for NCERT MCQ Questions Class 12 Matrices with Answers are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 12 Matrices with Answers. You can also verify your answers from the provided MCQ Class 12 Matrices with Answers. So, ace up your preparation with MCQ of Class 12 Mathematics Examinations.

MCQ Questions Class 12 Matrices with Answers - Set - 4

Question 1: 

If A =  then A² is equal to

 

(a) 
(b) 


(c)  
(d)

Correct Answer – (D)

Question 2: 

If A and B are two matrices of the order 3 × m and 3 × n, respectively, and m = n, then the order of matrix (5A – 2B) is
(a) m × 3
(b) 3 × 3
(c) m × n
(d) 3 × n

Correct Answer – (D)

Question 3: 

Total number of possible matrices of order 3 × 3 with each entry 2 or 0 is
(a) 9
(b) 27
(c) 81
(d) 512

Correct Answer – (D)

Question 4: 

If then (x, y) is
(a) (-1, 2)
(b) (-1, -2)
(c) (-2, -1)
(d) (1, -2)

Correct Answer – (A)

Question 5: 

The matrix  is
(a) a symmetric matrix
(b) a skew-submetric matrix
(c) a diagonal matrix
(d) None of these

Correct Answer – (D)

MCQ Questions Class 12 Matrices With Answers

Question 6: 

then A – B equal to
(a) I
(b) O
(c) 1
(d) (3/2) I

Correct Answer – (D)

Question 7: 

If  then the value of x, y is
(a) 3, 1
(b) 2, 3
(c) 2, 4
(d) 3, 3

Correct Answer – (B)

Question 8: 

The matrix P = is
(a) square matrix
(b) diagonal matrix
(c) unit matrix
(d) None of these

Correct Answer – (A)

Question 9: 

If a matrix is both symmetric matrix and skew symmetric matrix then
(a) A is a diagonal matrix
(b) A is zero matrix
(c) A is scalar matrix
(d) None of these

Correct Answer – (B)

Question 10: 

If and A² =  then 

(a) α = a² + b², β = ab
(b) α = a² + b², β = 2ab
(c) α = a² + b², β = a² – b²
(d) α = 2ab, β = a² + b²

Correct Answer – (B)
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