MCQ Questions for Class 12 Maths Chapter 3 Matrices with Answers Set-D

Matrices Class 12 Maths MCQs Questions with Answers

Check the below NCERT MCQ Questions for Class 12 Maths Chapter 3 Matrices with Answers Pdf free download. MCQ Questions for Class 12 Maths with Answers were prepared based on the latest exam pattern. We have Provided Matrices Class 12 Maths MCQs Questions with Answers to help students understand the concept very well.

Class 12 Maths Chapter 3 Quiz

Class 12 Maths Chapter 3 MCQ Online Test

You can refer to NCERT Solutions for Class 12 Maths Chapter 3 Matrices to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Matrices Class 12 Maths MCQ online test

Q1.	\(\left[\begin{array}{c} 1 & x & 1 \end{array}\right]\) \(\left[\begin{array}{ccc} 1 & 3 & 2 \\ 2 & 5 & 1 \\ 15 & 3 & 2 \end{array}\right]\) \(\left[\begin{array}{c} 1 \\ 2 \\ x
	A. -7
	B. -11
	C. -2
	D. 14

Ans: -2

Q2.	If A = \(\left[\begin{array}{cc} 1 & -1\\ 2 & -1 \end{array}\right]\) B = \(\left[\begin{array}{cc} x & 1\\ y & -1 \end{array}\right]\) and (A + B)² = A² + B², then x + y is
	A. 2
	B. 3
	C. 4
	D. 5

Ans: 5

Q3.	If AB = A and BA = B, then
	A. B = 1
	B.A = I
	C. A² = A
	D. B² = I

Ans: A² = A

Q4.	If A = \(\left[\begin{array}{ccc} 1 & 0 & 0 \\ 0 & 1 & 0 \\ a & b & -1 \end{array}\right]\) then (A – I) (A + I) = 0 for
	A. a = b = 0 only
	B. a = 0 only
	C. b = 0 only
	D. any a and b

Ans: any a and b

Q5.	If A = \(\left[\begin{array}{cc} 1 & 1\\ 0 & 2 \end{array}\right]\) then A⁸ – 2⁸ (A – I)
	A. I – A
	B. 2I – A
	C. I + A
	D. A – 2I

Ans: 2I – A

Q6.	If A = \(\left[\begin{array}{ccc} 2 & 2 & 1 \\ 1 & 3 & 1 \\ 1 & 2 & 2 \end{array}\right]\) then A³ – 7A² + 10A =
	A. 5I + A
	B. 5I – A
	C. 5I
	D. 6I

Ans: 5I – A

Q7.	If A is a m × n matrix such that AB and BA are both defined, then B is an
	A. m × n matrix
	B. n × m matrix
	C. n × n matrix
	D. m × m matrix

Ans: n × m matrix

Q8.	If A = \(\left[\begin{array}{cc} 1 & 2\\ 3 & 4 \end{array}\right]\) then A² – 5A is equal to
	A. 2I
	B. 3I
	C. -2I
	D. null matrix

Ans: 2I

Q9.	If A = \(\left[\begin{array}{cc} -2 & 4\\ -1 & 2 \end{array}\right]\) then A² is
	A. null matrix
	B. unit matrix
	C. \(\left[\begin{array}{cc} 0 & 0\\ 0 & 0 \end{array}\right]\)
	D. \(\left[\begin{array}{cc} 0 & 0\\ 0 & 1 \end{array}\right]\)

Ans: null matrix

Q10.	If A and B are 2 × 2 matrices, then which of the following is true?
	A. (A + B)² = A² + B² + 2AB
	B. (A – B)² = A² + B² – 2AB
	C. (A – B)(A + B) = A² + AB – BA – B²
	D. (A + B) (A – B) = A² – B²

Ans: (A – B)(A + B) = A² + AB – BA – B²

MCQ Questions for Class 12 Maths

NCERT Solution of Maths Class 12

Class 12 Maths

NCERT SOLUTIONS FOR CLASS 12

MCQ Questions for Class 12 Maths Chapter 3 Matrices with Answers

MCQ Questions for Class 12 Maths Chapter 3 Matrices with Answers Set-D

Matrices Class 12 Maths MCQs Questions with Answers

Class 12 Maths Chapter 3 Quiz

Class 12 Maths Chapter 3 MCQ Online Test

Matrices Class 12 Maths MCQ online test

MCQ Questions for Class 12 Maths

NCERT Solution of Maths Class 12

Class 12 Maths

NCERT Solution of Maths Class 12 Chapter 1

NCERT Solution of Maths Class 12 Chapter 2

NCERT Solution of Maths Class 12 Chapter 3

NCERT Solution of Maths Class 12 Chapter 4

NCERT Solution of Maths Class 12 Chapter 5

NCERT Solution of Maths Class 12 Chapter 6

NCERT Solution of Maths Class 12 Chapter 7

NCERT Solution of Maths Class 12 Chapter 8

NCERT Solution of Maths Class 12 Chapter 9

NCERT Solution of Maths Class 12 Chapter 10

NCERT Solution of Maths Class 12 Chapter 11

NCERT Solution of Maths Class 12 Chapter 12

NCERT Solution of Maths Class 12 Chapter 13

MCQ QUESTIONS WITH ANSWER

NCERT SOLUTIONS FOR CLASS 12

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