Introduction to Matrices, Class 12 Mathematics NCERT Solutions

“Matrices” Chapter 3 Introduction 1 NCERT Class 12th Maths

“Matrices” Chapter 3 Introduction NCERT Class 12th Maths

“Matrices” Chapter 3 Introduction 3 NCERT Class 12th Maths

“Matrices” Chapter 3 Introduction 4 NCERT Class 12th Maths

“Matrices” Chapter 3 Introduction “Equability of Matrix” NCERT Class 12th Maths

“Matrices” “Elementary Operation of Matrix” Chapter 3 Introduction Class 12th Maths

“Matrices” “Invertible matrix” Chapter 3 Introduction Class 12th Maths

“Matrices” “Transpose Of A Matrix” Chapter 3 Introduction Class 12th Maths

“Matrices” “Symmetric & Skew Symmetric Matrix” Chapter 3 Introduction Class 12th Maths

“Matrices” “Scalar Multiplication” Chapter 3 Introduction Class 12th Maths

“Matrices” “Matrix Multiplication” Chapter 3 Introduction Class 12th Maths

“Matrices” “Inverse Of A Matrix” Chapter 3 Introduction Class 12th Maths

“Matrices” “Addition of Matrix” Introduction Chapter 3 Class 12th Maths

“Matrices” “Properties of Matrix Multiplication” Chapter 3 Introduction Class 12th Maths

1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. Then the value of x is ____

 6

 3

 2

 0

Question 1 of 10

2. is a matrix of order

 1

 4

 2

 3

Question 2 of 10

3. For what real value of y will matrix A be equal to matrix B, where

 1, 3

 No real value

 1/3, 1/2

 2 and 3

Question 3 of 10

4. [5]is a scalar matrix of order

  2

 5

 0

 1

Question 4 of 10

5. Consider the following information regarding the number of men and women workers in three BPOs I, II and III
What does the entry in the second row and first column represent if the information is represented as a 3 x 2 matrix?

 The number of Men in BPO II

 The number of Women in BPO II

 The number of Women in BPO I

 The number of Men in BPO I

Question 5 of 10

6. is example of

 an identity matrix

 a zero matrix.

 a Scalar m

 diagonal matrix.

Question 6 of 10

7. is a matrix of order

 2 x 5

 2 x 2

 5 x 2

  5 x 5

Question 7 of 10

8. What is the element in the 2^nd row and 1^st column of a 2 x 2 Matrix A= [ a_ij], such that a = (i + 3) (j – 1)

  0

  4

  -5

 5

Question 8 of 10

9. If, the value of a₂₂ is

  0

  -2

 2

 3

Question 9 of 10

10. To construct a 2 x 3 matrix [ a_ij], such that aij = – The values that i and j can take are …….

 i = 1, 2, 3 ; j = 1, 2, 3

 i = 1, 2 ; j = 1, 2, 3

 i = 1, 2 ; j = 1, 2

  i = 1, 2, 3 ; j = 1, 2

Question 10 of 10

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