9th Class Math MCQs Chapter-01

Matrices and Determinants:

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Class 9 Math MCQs Chapter-01:

MCQs from Text Book Exercise and others included in this Practice panel. By practicing again and again, Student can get good practice on this topic “Matrices and Determinants” i.e. 9th Class Math MCQs Chapter-01.

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Math Ch#1, 09th Class

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1 / 38

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

2 / 38

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

3 / 38

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

4 / 38

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

5 / 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.

6 / 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}

7 / 38

Two Materices A and B are confirmable for multiplication if ______

8 / 38

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

9 / 38

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

10 / 38

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

11 / 38

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

 

12 / 38

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

13 / 38

Inverse of a Matrix A is equal to ________

14 / 38

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

15 / 38

(AB)ˉ¹ = ______

16 / 38

Matrix A + B can be found, if ________________

17 / 38

The order of a matrix [ 1   2 ] is _____

18 / 38

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

19 / 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}

20 / 38

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

21 / 38

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

22 / 38

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

23 / 38

Which is order of a square matrix?

24 / 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}

25 / 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}

26 / 38

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

27 / 38

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

28 / 38

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

29 / 38

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

30 / 38

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

31 / 38

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

32 / 38

An Identity Matrix (Unity Matrix) is always a _____

33 / 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}

34 / 38

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

35 / 38

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

36 / 38

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

37 / 38

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

38 / 38

[ 5 ] is a matrix with order ______

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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)


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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)


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 16-Rev      (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#17, 9th Class

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1 / 16

The right bisectors of triangle are ________

2 / 16

The medians of a triangle are _______

3 / 16

The point of concurrency of the three altitudes of a triangle is called ________

4 / 16

If two medians of a triangle are congruent then the triangle will be _______

5 / 16

If a point is equidistant from the end point of a line segment, then it must lie on its ____

6 / 16

____ congruent triangles can be made by joining the midpoint of the sides of a triangle.

7 / 16

The point of concurrency of three perpendicular bisector of triangle is called _____

8 / 16

_____ congruent triangles can be made by joining, the mid-point of the sides of a triangle.

9 / 16

The right bisectors of the sides of ____ triangle intersect each other the triangle.

10 / 16

Medians of a triangle are ________

11 / 16

A triangle having two sides congruent is called ________

12 / 16

The right bisector of the sides of ______ triangle intersect each other inside the triangle.

13 / 16

The bisectors of the angle of triangle are ______

14 / 16

Median of a triangle divide it into _____ triangle of equal area.

15 / 16

If three points lie on the same line, then these points are called _________

16 / 16

All three altitudes of _____ are concurrent.

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Math Ch#1, 09th Class

Here MCQs for your Revision

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Good Luck. . . .  (:

Welcome

You Should Enter your Name

1 / 38

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

2 / 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}

3 / 38

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

4 / 38

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

5 / 38

An Identity Matrix (Unity Matrix) is always a _____

6 / 38

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

7 / 38

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

8 / 38

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

9 / 38

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

10 / 38

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

11 / 38

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

12 / 38

Which is order of a square matrix?

13 / 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}

14 / 38

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

15 / 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.

16 / 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}

17 / 38

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

18 / 38

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

19 / 38

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

20 / 38

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

 

21 / 38

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

22 / 38

Inverse of a Matrix A is equal to ________

23 / 38

The order of a matrix [ 1   2 ] is _____

24 / 38

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

25 / 38

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

26 / 38

Matrix A + B can be found, if ________________

27 / 38

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

28 / 38

(AB)ˉ¹ = ______

29 / 38

Two Materices A and B are confirmable for multiplication if ______

30 / 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}

31 / 38

[ 5 ] is a matrix with order ______

32 / 38

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

33 / 38

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

34 / 38

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

35 / 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}

36 / 38

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

37 / 38

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

38 / 38

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

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Math Ch#2, 09th Class

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1 / 15

The real part of 2ab(\iota +\iota ^2) is ________

2 / 15

if a, b ∈ R, then only one of a = b or a < b or a > b holds is called __________

3 / 15

\left ( \frac{25}{16} \right )^\frac{-1}{2} = ________

4 / 15

\left ( 27x^{-1} \right )^{\frac{-2}{3}} = _________ (Select Correct Option)

a) = \frac{\sqrt[3]{x^2}}{9}

b) = \frac{\sqrt[]{x^3}}{9}

c) = \frac{\sqrt[3]{x^2}}{8}

d) = \frac{\sqrt[]{x^3}}{8}

5 / 15

the value of \iota ^9 is ________

6 / 15

The conjugate of 5+4ι is ____________

7 / 15

If we write \sqrt[7]{x} in exponential form _______ (Choose one option)

(a)  = x

(b) = x^{7}

(c) = x^{\frac{1}{7}}

(d) = x^{\frac{7}{2}}

8 / 15

Which of the following sets have the closure property w.r.t addition__________

9 / 15

A non-terminating, non-recurring decimal represents ____________

10 / 15

in \sqrt[3]{35} the Radicand is _________

11 / 15

if we write 4^{\frac{2}{3}} with radical sign then it is _________

(a) = \sqrt[3]{4^2}

(b) = \sqrt{4^3}

(c) = \sqrt[2]{4^3}

(d) = \sqrt{4^6}

(Choose Correct Option)

12 / 15

Imaginary part of -ι (3ι +2) is _______

13 / 15

Name the property of real number used in \left ( -\frac{\sqrt{5}}{2} \right )\times 1 = -\frac{\sqrt{5}}{2}

14 / 15

Every Real number is _______

15 / 15

if x,y,z ∈ R, z<0, then x < y ⇒ __________

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Math Ch#14, 9th Class

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1 / 12

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

2 / 12

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

3 / 12

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

4 / 12

The line segment has only ___ point of bisection

5 / 12

Symbol to show similarity is used ________

6 / 12

________ has no unit.

7 / 12

______ altitudes of equilateral triangle are congruent.

8 / 12

______  points can be determine a line.

9 / 12

In two similar triangles, ______ sides are proportional

10 / 12

Unit of ratio is __________

11 / 12

Equality of _____ ratio is defined as proportion.

12 / 12

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

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