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

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

2 / 38

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

3 / 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}

4 / 38

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

5 / 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}

6 / 38

(AB)ˉ¹ = ______

7 / 38

The order of a matrix [ 1   2 ] is _____

8 / 38

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

9 / 38

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

10 / 38

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

11 / 38

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

12 / 38

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

13 / 38

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

 

14 / 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}

15 / 38

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

16 / 38

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

17 / 38

Which is order of a square matrix?

18 / 38

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

19 / 38

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

20 / 38

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

21 / 38

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

22 / 38

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

23 / 38

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

24 / 38

[ 5 ] is a matrix with order ______

25 / 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.

26 / 38

An Identity Matrix (Unity Matrix) is always a _____

27 / 38

Inverse of a Matrix A is equal to ________

28 / 38

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

29 / 38

Two Materices A and B are confirmable for multiplication if ______

30 / 38

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

31 / 38

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

32 / 38

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

33 / 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}

34 / 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}

35 / 38

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

36 / 38

Matrix A + B can be found, if ________________

37 / 38

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

38 / 38

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

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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)


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Exercise 8.1           (English)            (Urdu)


Exercise 8.2           (English)            (Urdu)


Exercise 8.3           (English)            (Urdu)


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Exercise 9.1           (English)            (Urdu)


Exercise 9.2           (English)            (Urdu)


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Exercise 10.1           (English)            (Urdu)


Exercise 10.2           (English)            (Urdu)


Exercise 10.3           (English)            (Urdu)


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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)


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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)


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Exercise 14.1           (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

Diagonal of a parallelogram divides it into two ____ triangles

2 / 19

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

3 / 19

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

4 / 19

Opposite sides are congruent in a ______

5 / 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.

6 / 19

Diagonals of a rectangle are ______Equal

7 / 19

In a parallelogram _________ (Select Correct Property)

8 / 19

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

9 / 19

In parallelogram opposite sides are ______

10 / 19

In a parallelogram _________ (Select Correct Property)

11 / 19

Diagonals of a parallelogram divide the parallelogram into _____congruent triangles.

12 / 19

A closed geometrical figure having 4 sides is called ______

13 / 19

Diagonals of a parallelogram ____ each other at a point.

14 / 19

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

15 / 19

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

16 / 19

Diagonals of a parallelogram do ____ of each other

17 / 19

Diagonal of a parallelogram divides the parallelogram into two ______ triangles

18 / 19

In a parallelogram _________ are congruent.

19 / 19

Bisection means dividing in ____ equal parts.

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Math Ch#1, 09th Class

Here MCQs for your Revision

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Welcome

You Should Enter your Name

1 / 38

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

2 / 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}

3 / 38

Inverse of a Matrix A is equal to ________

4 / 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}

5 / 38

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

6 / 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.

7 / 38

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

8 / 38

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

9 / 38

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

10 / 38

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

11 / 38

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

 

12 / 38

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

13 / 38

(AB)ˉ¹ = ______

14 / 38

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

15 / 38

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

16 / 38

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

17 / 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}

18 / 38

Two Materices A and B are confirmable for multiplication if ______

19 / 38

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

20 / 38

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

21 / 38

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

22 / 38

Matrix A + B can be found, if ________________

23 / 38

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

24 / 38

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

25 / 38

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

26 / 38

An Identity Matrix (Unity Matrix) is always a _____

27 / 38

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

28 / 38

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

29 / 38

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

30 / 38

The order of a matrix [ 1   2 ] is _____

31 / 38

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

32 / 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}

33 / 38

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

34 / 38

[ 5 ] is a matrix with order ______

35 / 38

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

36 / 38

Which is order of a square matrix?

37 / 38

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

38 / 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}

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Math Ch#14, 9th Class

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1 / 12

If a : b=c : d then a, b, c and d are said to be in _____

2 / 12

The ratio between two quantities “a and b” is expressed as _______

3 / 12

The line segment has only ___ point of bisection

4 / 12

________ has no unit.

5 / 12

Symbol to show similarity is used ________

6 / 12

Unit of ratio is __________

7 / 12

______  points can be determine a line.

8 / 12

______ altitudes of equilateral triangle are congruent.

9 / 12

In two similar triangles, ______ sides are proportional

10 / 12

If adjacent angles of two intersecting lines are congruent then lines are ____ to each other.

11 / 12

Equality of _____ ratio is defined as proportion.

12 / 12

One and only one line can be drawn through _____ points.

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Math Ch#16, 9th Class

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1 / 17

Perpendicular distance between two parallel lines is _______ different.

2 / 17

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

3 / 17

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

4 / 17

Any diagonal of a parallelogram divides it in two _____ triangles

5 / 17

Congruent figures are ____ in area.

6 / 17

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

7 / 17

Area of a triangular region can be calculated as __________

8 / 17

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

9 / 17

The unit of area is _____________

10 / 17

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

11 / 17

Area of _______ is equal to = Base x Altitude

12 / 17

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

13 / 17

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

14 / 17

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

15 / 17

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

16 / 17

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

17 / 17

A quadrilateral having each angle 90 degree is called _____

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