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

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

2 / 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}

3 / 38

(AB)ˉ¹ = ______

4 / 38

Which is order of a square matrix?

5 / 38

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

6 / 38

Two Materices A and B are confirmable for multiplication if ______

7 / 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}

8 / 38

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

9 / 38

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

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

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

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

14 / 38

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

15 / 38

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

16 / 38

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

17 / 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}

18 / 38

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

19 / 38

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

20 / 38

The order of a matrix [ 1   2 ] is _____

21 / 38

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

22 / 38

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

23 / 38

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

24 / 38

[ 5 ] is a matrix with order ______

25 / 38

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

26 / 38

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

27 / 38

An Identity Matrix (Unity Matrix) is always a _____

28 / 38

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

29 / 38

Inverse of a Matrix A is equal to ________

30 / 38

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

31 / 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}

32 / 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}

33 / 38

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

34 / 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.

35 / 38

Matrix A + B can be found, if ________________

36 / 38

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

37 / 38

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

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)


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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 15           (English)            (Urdu)


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Exercise 16.1           (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#08, 09th Class

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1 / 29

In ordered pair (a, b), b Is called _______

2 / 29

the plan formed by two straight lines perpendicular to each other, this plan is called _______

3 / 29

In equation y=mx+c, if x=0 then line is parallel to __________

4 / 29

In a right-angle triangle, larger angle measures as _______

5 / 29

The line of the equation x=3 is parallel to _______

6 / 29

The point (5, 0) lies on ______

7 / 29

Pythagoras is a _____ mathematician.

8 / 29

The graph of the equation y=b is a line and at a distance of b unit from _______ points on x-axis

9 / 29

If the equation y=mx, y-coordinate of every point is ____ times of x-coordinate.

10 / 29

The point of intersection of two coordinate axis is called _______

11 / 29

If ordered pair (x, y) is in 4th quadrant then ______

12 / 29

The angle between two coordinate axis is _________

13 / 29

A n-ordered associated with a point in 2-dimensional plane is called _____

14 / 29

If ordered pair (x, y) is in 1st quadrant then ______

15 / 29

According to Pythagoras theorem (altitude)2 = ________

16 / 29

Cartesian plan is divided into ____ Quadrant

17 / 29

For equation 2x+y=6, order pair _____ is the solution of equation.

18 / 29

In ordered pair (a, b), a is called as ________

19 / 29

In Cartesian coordinate plane, the point (3, -4) is located in ________

20 / 29

If “A” and “B” are any two sets then their cartesian product is denoted by ______

21 / 29

n the equation M=f(k), which statement is true?

22 / 29

Graph of the equation x=a is a ________ line

23 / 29

If a, b, and c are the side of right-angle triangle and c is hypotenuse then according to the Pythagoras theorem _________

24 / 29

In Cartesian plan, the point (2,0) lies on _______

25 / 29

In two-dimensional plan, the vertical line is called ______

26 / 29

If ordered pair (x, y) is in 2nd quadrant then ______

27 / 29

The point (0, 5) lies on _______

28 / 29

the plan formed by two straight lines perpendicular to each other, these lines are called ______

29 / 29

In two-dimensional plan, the horizontal line is called ______

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Math Ch#09, 9th Class

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1 / 14

A triangle having all sides equal is called ______

2 / 14

A triangle having equal length of at least two sides is called ______ triangle

3 / 14

distance between the points (0, 0) and (3, 4) is _______

4 / 14

A triangle which have one of the angle 90 degree is called ______ triangle

5 / 14

Distance between point (0, 0) and (1, 1) is _______

6 / 14

The 3-points P, Q and R are ___________ if |PQ| + |QR| = |PR|

7 / 14

Mid point of the points (2, 2) and (0, 0) is _____

8 / 14

Mid point of the points (-2, 2) and (2, -2) is _____

9 / 14

_____ is the study of geometrical shapes in the Cartesian plane (coordinate plane).

10 / 14

A triangle having all sides different is called ______

11 / 14

Two or more than two points which lie on the same straight line are called ________ points

12 / 14

The study of _________ in a plane is called plane geometry.

13 / 14

Distance between the point (1, 0) and (0, 1) is ________

14 / 14

A closed figure in a plane obtained by joining three non-collinear point is called _______

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Math Ch#15, 9th Class

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1 / 19

If ΔABC and ΔDEF are two similar triangles, then symbolically they are written as _____

2 / 19

Which one of the following sets form a triangle?

3 / 19

If two sides of a triangle are unequal in length, the angle of the longer side opposite to it is of means____

4 / 19

Two sides of a triangle measure 12cm and 16cm, which of the following measure is possible for the third side.

5 / 19

Angle for the minimum distance of a point “p” from the line segment AB will be _____

6 / 19

Which of the following are the sides of a right angle triangles?

7 / 19

If adjacent angles of two intersecting lines are congruent then lines are _____

8 / 19

A line segment has how many mid points?

9 / 19

If a, b and c are the sides of obtuse angle triangle, then the value of hypotenuse c is ____

10 / 19

How many obtuse angles in a triangle?

11 / 19

Similar means that their corresponding angles are congruent and corresponding sides are___

12 / 19

If an isosceles right angles triangle, angle other than right angle is each of ______

13 / 19

If one acute angled triangle is 25°, the other acute angle is _______

14 / 19

Ratio between two elements “a and b” is represented as ______

15 / 19

If 3cm and 4cm are two sides of a right angled triangle, then hypotenuse is _____

16 / 19

Which of the following are the sides of a right angle triangles?

17 / 19

If the square of one side of a triangle is equal to the sum of the squares of the other two sides, then the triangle is a ____ triangle.

18 / 19

In a scalene triangle, the angle opposite to the largest side of measure ___

19 / 19

Point of intersection of the median of a triangle divides then ratio __________

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Math Ch#1, 09th Class

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Welcome

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1 / 38

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

2 / 38

Which is order of a square matrix?

3 / 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}

4 / 38

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

5 / 38

An Identity Matrix (Unity Matrix) is always a _____

6 / 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}

7 / 38

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

8 / 38

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

9 / 38

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

10 / 38

[ 5 ] is a matrix with order ______

11 / 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.

12 / 38

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

13 / 38

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

14 / 38

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

15 / 38

(AB)ˉ¹ = ______

16 / 38

The order of a matrix [ 1   2 ] is _____

17 / 38

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

18 / 38

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

19 / 38

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

 

20 / 38

Matrix A + B can be found, if ________________

21 / 38

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

22 / 38

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

23 / 38

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

24 / 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}

25 / 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}

26 / 38

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

27 / 38

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

28 / 38

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

29 / 38

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

30 / 38

Two Materices A and B are confirmable for multiplication if ______

31 / 38

Inverse of a Matrix A is equal to ________

32 / 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}

33 / 38

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

34 / 38

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

35 / 38

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

36 / 38

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

37 / 38

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

38 / 38

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

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