9th Class Math MCQs Chapter-01

Matrices and Determinants:

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Class 9 Math MCQs Chapter-01:

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Math Ch#1, 09th Class

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1 / 38

The order of a matrix [ 1   2 ] is _____

2 / 38

The Matrix \begin{bmatrix} 1 & 2 \end{bmatrix} is a ______ Matrix.

3 / 38

A square Matrix A is said to be _____ matrix if |A|=0.

4 / 38

Let A and B are two matrices of the same order and A+B=0, then A and B are said to be _____ of each other.

5 / 38

if X + \begin{bmatrix} -1 & -2\\ 0 & -1 \end{bmatrix} = \begin{bmatrix} 1 & 0\\ 0 & 1 \end{bmatrix} , then X is equal to ________

A = \begin{bmatrix} 2 & 2\\ 2 & 0 \end{bmatrix}

B = \begin{bmatrix} 0 & 2\\ 2 & 2 \end{bmatrix}

C = \begin{bmatrix} 2 & 0\\ 0 & 2 \end{bmatrix}

D = \begin{bmatrix} 2 & 2\\ 0 & 2 \end{bmatrix}

6 / 38

Adjoint of \begin{bmatrix} 1 & 2\\ 0 & -1 \end{bmatrix} is ________

A = \begin{bmatrix} -1 & -2\\ 0 & 1 \end{bmatrix}

B = \begin{bmatrix} 1 & -2\\ 0 & -1 \end{bmatrix}

C = \begin{bmatrix} -1 & 2\\ 0 & -1 \end{bmatrix}

D = \begin{bmatrix} -1 & 0\\ 2 & 1 \end{bmatrix}

7 / 38

Matrix \begin{bmatrix} \sqrt{2} & 0\\ 0 & \sqrt{2} \end{bmatrix} is called ______

8 / 38

A square matrix in which non-diagonal elements are zero, whereas all diagonal elements are equal is called _______

 

9 / 38

\begin{bmatrix} 0 & 0\\ 0 & 0 \end{bmatrix} is called _________

10 / 38

If \begin{bmatrix} a+3 & 5\\ 6 & 4 \end{bmatrix} = \begin{bmatrix} 5 & 5\\ 6 & 4 \end{bmatrix} , then "a" is equal to ____

11 / 38

Adjoint of \begin{bmatrix} 2 & 1\\ -1 & -3 \end{bmatrix} is ________

  1. \begin{bmatrix} -3 & -1\\ 1 & 2 \end{bmatrix}
  2. \begin{bmatrix} 3 & -1\\ 1 & 2 \end{bmatrix}
  3. \begin{bmatrix} -3 & 1\\ 1 & -2 \end{bmatrix}
  4. \begin{bmatrix} 2 & 1\\ 1 & 3 \end{bmatrix}

12 / 38

Inverse of a Matrix A is equal to ________

13 / 38

A matrix is called a square matrix if its order is _____

14 / 38

A Matrix is called _______ , if number of rows and columns are equal

15 / 38

The order of Matrix \begin{bmatrix} 2 & 1 \end{bmatrix} is _______

16 / 38

if \begin{vmatrix} 2 & 6\\ 3 & x \end{vmatrix} = 0 then x is equal to ________

17 / 38

Matrix A + B can be found, if ________________

18 / 38

\begin{bmatrix} 1 & 0\\ 0 & 1 \end{bmatrix} Matrix is called _________

19 / 38

[ 5 ] is a matrix with order ______

20 / 38

If A=\begin{bmatrix} 4 & 5 \end{bmatrix} and B = [ 5 ], then the which product is possible ?

21 / 38

The Matrix of the same order _____ satisfy commutative law under addition.

22 / 38

In Matrix multiplication, in general, A.B ___ B.A

23 / 38

Two Materices A and B are confirmable for multiplication if ______

24 / 38

Order of transpose of \begin{bmatrix} 2 & 1\\ 0 & 1\\ 3 & 2 \end{bmatrix} is _______

25 / 38

An Identity Matrix (Unity Matrix) is always a _____

26 / 38

If \begin{vmatrix} 3 & -1\\ 0 & x \end{vmatrix}  = 3, then x is equal to _______

27 / 38

Two matrices are said to be confirmable for _______ if they have same order.

28 / 38

(AB)ˉ¹ = ______

29 / 38

If for Matrix At = -A, then Matrix A is Called ______

30 / 38

Which is order of a square matrix?

31 / 38

A matrix obtained by interchanging Rows and Columns, is called _______ of matrix

32 / 38

If A is a Square Matrix and At =A, than A is called ________

33 / 38

Additive Inverse of \begin{bmatrix} 1 & -2\\ 0 & -1 \end{bmatrix} is ______

A = \begin{bmatrix} 1 & 2\\ 0 & 1 \end{bmatrix}

B = \begin{bmatrix} -1 & -2\\ 0 & -1 \end{bmatrix}

C = \begin{bmatrix} -1 & 2\\ 0 & 1 \end{bmatrix}

D = \begin{bmatrix} 0 & 0\\ 0 & 0 \end{bmatrix}

34 / 38

If A, B and C are three matrices such that AB=C, then ________ (Which is possible)

35 / 38

\begin{bmatrix} \sqrt{2} & 0\\ 0 & \sqrt{2} \end{bmatrix} is called ____ Matrix

36 / 38

Product of \begin{bmatrix} 2 & 0\\ 0 & 1 \end{bmatrix}\begin{bmatrix} -3 & 0\\ 0 & 4 \end{bmatrix} is ______ (Select correct option)

  1. \begin{bmatrix} -6 & 0\\ 0 & 4 \end{bmatrix}
  2. \begin{bmatrix} 6 & 0\\ 0 & 4 \end{bmatrix}
  3. \begin{bmatrix} 6 & 0\\ 0 & -4 \end{bmatrix}
  4. \begin{bmatrix} -6 & 0\\ 0 & -4 \end{bmatrix}

37 / 38

Product of \begin{bmatrix} x & 4 \end{bmatrix}\begin{bmatrix} 2\\ -1 \end{bmatrix} is _____

38 / 38

Order of Matrix \begin{bmatrix} 3\\ -1\\ 6 \end{bmatrix} is _______

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Math Solution 9th Class (Science Group)

Exercise 1.1           (English)            (Urdu)


Exercise 1.2           (English)            (Urdu)


Exercise 1.3           (English)            (Urdu)


Exercise 1.4           (English)            (Urdu)


Exercise 1.5           (English)            (Urdu)


Exercise 1.6           (English)            (Urdu)


Exercise 1-Rev      (English)            (Urdu)


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Exercise 2.1           (English)            (Urdu)


Exercise 2.2           (English)            (Urdu)


Exercise 2.3           (English)            (Urdu)


Exercise 2.4           (English)            (Urdu)


Exercise 2.5           (English)            (Urdu)


Exercise 2.6           (English)            (Urdu)


Exercise 2-Rev      (English)            (Urdu)


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Exercise 3.1           (English)            (Urdu)


Exercise 3.2           (English)            (Urdu)


Exercise 3.3           (English)            (Urdu)


Exercise 3.4           (English)            (Urdu)


Exercise 3-Rev      (English)            (Urdu)


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Exercise 4.1           (English)            (Urdu)


Exercise 4.2           (English)            (Urdu)


Exercise 4.3           (English)            (Urdu)


Exercise 4.4           (English)            (Urdu)


Exercise 4-Rev      (English)            (Urdu)


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Exercise 5.1           (English)            (Urdu)


Exercise 5.2           (English)            (Urdu)


Exercise 5.3           (English)            (Urdu)


Exercise 5.4           (English)            (Urdu)


Exercise 5-Rev      (English)            (Urdu)


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Exercise 6.1           (English)            (Urdu)


Exercise 6.2           (English)            (Urdu)


Exercise 6.3           (English)            (Urdu)


Exercise 6-Rev      (English)            (Urdu)


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Exercise 7.1           (English)            (Urdu)


Exercise 7.2           (English)            (Urdu)


Exercise 7.3           (English)            (Urdu)


Exercise 7-Rev      (English)            (Urdu)


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Exercise 8.1           (English)            (Urdu)


Exercise 8.2           (English)            (Urdu)


Exercise 8.3           (English)            (Urdu)


Exercise 8-Rev      (English)            (Urdu)


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Exercise 9.1           (English)            (Urdu)


Exercise 9.2           (English)            (Urdu)


Exercise 9.3           (English)            (Urdu)


Exercise 9-Rev      (English)            (Urdu)


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Exercise 10.1           (English)            (Urdu)


Exercise 10.2           (English)            (Urdu)


Exercise 10.3           (English)            (Urdu)


Exercise 10.4           (English)            (Urdu)


Exercise 10-Rev      (English)            (Urdu)


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Exercise 11.1           (English)            (Urdu)


Exercise 11.2           (English)            (Urdu)


Exercise 11.3           (English)            (Urdu)


Exercise 11.4           (English)            (Urdu)


Exercise 11.5           (English)            (Urdu)


Exercise 11-Rev      (English)            (Urdu)


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Exercise 12.1           (English)            (Urdu)


Exercise 12.2           (English)            (Urdu)


Exercise 12.3           (English)            (Urdu)


Exercise 12-Rev      (English)            (Urdu)


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Exercise 13.1           (English)            (Urdu)


Exercise 13.2           (English)            (Urdu)


Exercise 13-Rev      (English)            (Urdu)


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Exercise 14.1           (English)            (Urdu)


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Exercise 14-Rev      (English)            (Urdu)


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Exercise 15           (English)            (Urdu)


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Exercise 16.1           (English)            (Urdu)


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Exercise 17.1           (English)            (Urdu)


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Exercise 17.3           (English)            (Urdu)


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9th Class Math Solution:

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Class 9 Mathematics  Chapter-Wise MCQs


Category: 09th Math Startup

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Math Ch#11, 9th Class

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1 / 19

Diagonals of a parallelogram ____ each other at a point.

2 / 19

Diagonals of a parallelogram do ____ of each other

3 / 19

Bisectors of angle formed with any one side of a parallelogram intersect each other at ___ angle.

4 / 19

In parallelogram opposite sides are ______

5 / 19

Diagonal of a parallelogram divides it into two ____ triangles

6 / 19

When two lines intersect each other two pair of ____ angles are congruent.

7 / 19

In a parallelogram _________ (Select Correct Property)

8 / 19

A parallelogram is divided by its diagonal into _____triangles of equal area

9 / 19

Opposite sides are congruent in a ______

10 / 19

A line segment joining the midpoint of one side of a triangle of its opposite vertex is called______

11 / 19

In a parallelogram _________ are congruent.

12 / 19

Bisection means dividing in ____ equal parts.

13 / 19

Diagonal of a parallelogram divides the parallelogram into two ______ triangles

14 / 19

The line segment, joining the midpoint of two sides of a triangle, is parallel to the 3rd side and is equal ____ of its length.

15 / 19

Diagonals of a rectangle are ______Equal

16 / 19

A closed geometrical figure having 4 sides is called ______

17 / 19

In a parallelogram _________ (Select Correct Property)

18 / 19

If two opposite sides of a quadrilateral are congruent and parallel, it is called ____

19 / 19

Diagonals of a parallelogram divide the parallelogram into _____congruent triangles.

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Math Ch#7, 09th Class

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1 / 6

x = 0 is a solution of the inequality ___________

2 / 6

if the capacity c of an elevator is at most 1600 ponds, then ___________ (Which statement is true)

3 / 6

x = ________ is a  solution of the inequality -2 < x < \frac{3}{2}

4 / 6

if x is no larger than 10, then _____(Which statement is true)

5 / 6

Which of the following is the solution of inequality 3-4x \leqslant 11 ?

6 / 6

A Statement involving any of the symbols <, >, ≤, ≥ is called _________

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Math Ch#1, 09th Class

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Welcome

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1 / 38

If A is a Square Matrix and At =A, than A is called ________

2 / 38

Let A and B are two matrices of the same order and A+B=0, then A and B are said to be _____ of each other.

3 / 38

\begin{bmatrix} 0 & 0\\ 0 & 0 \end{bmatrix} is called _________

4 / 38

If A, B and C are three matrices such that AB=C, then ________ (Which is possible)

5 / 38

The Matrix \begin{bmatrix} 1 & 2 \end{bmatrix} is a ______ Matrix.

6 / 38

Two Materices A and B are confirmable for multiplication if ______

7 / 38

A matrix obtained by interchanging Rows and Columns, is called _______ of matrix

8 / 38

Order of transpose of \begin{bmatrix} 2 & 1\\ 0 & 1\\ 3 & 2 \end{bmatrix} is _______

9 / 38

Adjoint of \begin{bmatrix} 2 & 1\\ -1 & -3 \end{bmatrix} is ________

  1. \begin{bmatrix} -3 & -1\\ 1 & 2 \end{bmatrix}
  2. \begin{bmatrix} 3 & -1\\ 1 & 2 \end{bmatrix}
  3. \begin{bmatrix} -3 & 1\\ 1 & -2 \end{bmatrix}
  4. \begin{bmatrix} 2 & 1\\ 1 & 3 \end{bmatrix}

10 / 38

Additive Inverse of \begin{bmatrix} 1 & -2\\ 0 & -1 \end{bmatrix} is ______

A = \begin{bmatrix} 1 & 2\\ 0 & 1 \end{bmatrix}

B = \begin{bmatrix} -1 & -2\\ 0 & -1 \end{bmatrix}

C = \begin{bmatrix} -1 & 2\\ 0 & 1 \end{bmatrix}

D = \begin{bmatrix} 0 & 0\\ 0 & 0 \end{bmatrix}

11 / 38

Product of \begin{bmatrix} x & 4 \end{bmatrix}\begin{bmatrix} 2\\ -1 \end{bmatrix} is _____

12 / 38

Adjoint of \begin{bmatrix} 1 & 2\\ 0 & -1 \end{bmatrix} is ________

A = \begin{bmatrix} -1 & -2\\ 0 & 1 \end{bmatrix}

B = \begin{bmatrix} 1 & -2\\ 0 & -1 \end{bmatrix}

C = \begin{bmatrix} -1 & 2\\ 0 & -1 \end{bmatrix}

D = \begin{bmatrix} -1 & 0\\ 2 & 1 \end{bmatrix}

13 / 38

The Matrix of the same order _____ satisfy commutative law under addition.

14 / 38

The order of Matrix \begin{bmatrix} 2 & 1 \end{bmatrix} is _______

15 / 38

[ 5 ] is a matrix with order ______

16 / 38

Which is order of a square matrix?

17 / 38

Inverse of a Matrix A is equal to ________

18 / 38

A square Matrix A is said to be _____ matrix if |A|=0.

19 / 38

\begin{bmatrix} 1 & 0\\ 0 & 1 \end{bmatrix} Matrix is called _________

20 / 38

Matrix A + B can be found, if ________________

21 / 38

if \begin{vmatrix} 2 & 6\\ 3 & x \end{vmatrix} = 0 then x is equal to ________

22 / 38

if X + \begin{bmatrix} -1 & -2\\ 0 & -1 \end{bmatrix} = \begin{bmatrix} 1 & 0\\ 0 & 1 \end{bmatrix} , then X is equal to ________

A = \begin{bmatrix} 2 & 2\\ 2 & 0 \end{bmatrix}

B = \begin{bmatrix} 0 & 2\\ 2 & 2 \end{bmatrix}

C = \begin{bmatrix} 2 & 0\\ 0 & 2 \end{bmatrix}

D = \begin{bmatrix} 2 & 2\\ 0 & 2 \end{bmatrix}

23 / 38

If for Matrix At = -A, then Matrix A is Called ______

24 / 38

A matrix is called a square matrix if its order is _____

25 / 38

If A=\begin{bmatrix} 4 & 5 \end{bmatrix} and B = [ 5 ], then the which product is possible ?

26 / 38

(AB)ˉ¹ = ______

27 / 38

A Matrix is called _______ , if number of rows and columns are equal

28 / 38

In Matrix multiplication, in general, A.B ___ B.A

29 / 38

Matrix \begin{bmatrix} \sqrt{2} & 0\\ 0 & \sqrt{2} \end{bmatrix} is called ______

30 / 38

If \begin{vmatrix} 3 & -1\\ 0 & x \end{vmatrix}  = 3, then x is equal to _______

31 / 38

\begin{bmatrix} \sqrt{2} & 0\\ 0 & \sqrt{2} \end{bmatrix} is called ____ Matrix

32 / 38

Product of \begin{bmatrix} 2 & 0\\ 0 & 1 \end{bmatrix}\begin{bmatrix} -3 & 0\\ 0 & 4 \end{bmatrix} is ______ (Select correct option)

  1. \begin{bmatrix} -6 & 0\\ 0 & 4 \end{bmatrix}
  2. \begin{bmatrix} 6 & 0\\ 0 & 4 \end{bmatrix}
  3. \begin{bmatrix} 6 & 0\\ 0 & -4 \end{bmatrix}
  4. \begin{bmatrix} -6 & 0\\ 0 & -4 \end{bmatrix}

33 / 38

The order of a matrix [ 1   2 ] is _____

34 / 38

An Identity Matrix (Unity Matrix) is always a _____

35 / 38

Two matrices are said to be confirmable for _______ if they have same order.

36 / 38

Order of Matrix \begin{bmatrix} 3\\ -1\\ 6 \end{bmatrix} is _______

37 / 38

A square matrix in which non-diagonal elements are zero, whereas all diagonal elements are equal is called _______

 

38 / 38

If \begin{bmatrix} a+3 & 5\\ 6 & 4 \end{bmatrix} = \begin{bmatrix} 5 & 5\\ 6 & 4 \end{bmatrix} , then "a" is equal to ____

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Math Ch#16, 9th Class

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1 / 17

Area of a triangular region can be calculated as __________

2 / 17

The region enclosed by the bounding lines of a closed figure is called _______

3 / 17

Parallelogram on equal and having the same / equal altitude are ____ in area.

4 / 17

Every diagonal of a parallelogram divides it in ____ congruent triangles.

5 / 17

A rectangular region can be divided in two or more rectangular region by ____ ways.

6 / 17

A triangular region means the _____ of triangle and its interior.

7 / 17

Perpendicular from vertex of a angle to its opposite sides is called ______

8 / 17

Altitude of any triangle is perpendicular distance from _____ to opposite side.

9 / 17

The _____ of a triangle is the part of the plane enclosed by the triangle.

10 / 17

A quadrilateral having each angle 90 degree is called _____

11 / 17

Area of _______ is equal to = Base x Altitude

12 / 17

Congruent figures are ____ in area.

13 / 17

Any diagonal of a parallelogram divides it in two _____ triangles

14 / 17

If a and b are length and breadth of a rectangle then its area is _______

15 / 17

The unit of area is _____________

16 / 17

Area of parallelogram is equal to the ____ of the base and height.

17 / 17

Perpendicular distance between two parallel lines is _______ different.

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