Punjab 9th Class Math Model Paper 1 Mcqs Test Online

Question 1 of 30

Math

1. The Order of Matrix [2 1] is:

1-by-2

2-by-1

1-by-1

2-by-2

Question 1 of 30

Question 2 of 30

2. If

, then a is equal to:

Question 2 of 30

Question 3 of 30

3. A matrix is skew-symmetric if:

Aᵗ = A

(Aᵗ)ᵗ = – A

Aᵗ = – A

(Aᵗ)ᵗ = A

Question 3 of 30

Question 4 of 30

4. Negative of matrix

is:

Question 4 of 30

Question 5 of 30

5. Matrix

is called:

Null matrix

Identity Matrix

Scalar matrix

Singular matrix

Question 5 of 30

Question 6 of 30

6. Inverse of matrix A is equal to:

Aᵗ/AdjA

AdjA/|A|

AdjA/Aᵗ

|A|/AdjA

Question 6 of 30

Question 7 of 30

7. (AB)ᵗ = ………………………..

AᵗBᵗ

BᵗAᵗ

Question 7 of 30

Question 8 of 30

8. Product of [x y]

is :

[x + 2y]

[2x – y]

[x – 2y]

[2x + y]

Question 8 of 30

Question 9 of 30

9. Order of transpose of matrix

is:

2-by-3

3-by-3

3-by-2

1-by-3

Question 9 of 30

Question 10 of 30

10. Which is order of a square matrix?

3-by-2

2-by-1

1-by-2

2-by-2

Question 10 of 30

Question 11 of 30

11. (AB)⁻¹ = ……………………………

B⁻¹A⁻¹

A⁻¹B⁻¹

Question 11 of 30

Question 12 of 30

12. Matrix A + B can be found, if order of A and B is:

– 1

Equal

Not equal

Zero

Question 12 of 30

Question 13 of 30

13. Order of identity (unit) matrix is always equal to:

Null matrix

Row matrix

Square matrix

Rectangular matrix

Question 13 of 30

Question 14 of 30

14. If x +

, then x is equal to:

Question 14 of 30

Question 15 of 30

15. Inverse of identity matrix is:

Diagonal matrix

Scalar matrix

Identity matrix

Null matrix

Question 15 of 30

Question 16 of 30

16. A matrix having only one row is called:

Column matrix

Square matrix

Row matrix

Identity matrix

Question 16 of 30

Question 17 of 30

17. Product of

is:

Question 17 of 30

Question 18 of 30

18. In matrix multiplication, in general, AB ………………. BA.

≠

‖

∏

Question 18 of 30

Question 19 of 30

19. If the determinant of a square matrix is equal to zero, then it is called:

Singular matrix

Identity matrix

Diagonal matrix

Non-singular matrix

Question 19 of 30

Question 20 of 30

20. Addition of two matrices

is:

Question 20 of 30

Question 21 of 30

21.

is called ………….. matrix:

Unit

Singular

Scalar

Zero

Question 21 of 30

Question 22 of 30

22. If

= 3, then x is equal to:

Question 22 of 30

Question 23 of 30

23. In matrices, (A + B)ᵗ = ?

Bᵗ+Aᵗ

BᵗAᵗ

Aᵗ+Bᵗ

AᵗBᵗ

Question 23 of 30

Question 24 of 30

24. Order of Matrix

is:

3-by-1

3-by-3

2-by-3

1-by-3

Question 24 of 30

Question 25 of 30

25. Order of transpose of

is:

3-by-1

2-by-3

3-by-2

1-by-3

Question 25 of 30

Question 26 of 30

26. Ad joint of

is:

Question 26 of 30

Question 27 of 30

27. If the number of rows of a matrix is not equal to the number of columns, then the matrix is called:

Diagonal matrix

Scalar matrix

Rectangular matrix

Square matrix

Question 27 of 30

Question 28 of 30

28. If

= 0, then x is equal to:

– 6

– 9

Question 28 of 30

Question 29 of 30

29. Ad joint oI

is:

Question 29 of 30

Question 30 of 30

30.

is called …………… matrix:

Unit

Zero

Diagonal

Scalar

Question 30 of 30

Test By Subject	Punjab
Test By Topics	9th Class Math

You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.