9th Class Math MCQs Chapter-01

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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

An Identity Matrix (Unity Matrix) is always a _____

2 / 38

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

3 / 38

Which is order of a square matrix?

4 / 38

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

5 / 38

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

6 / 38

The order of a matrix [ 1   2 ] is _____

7 / 38

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

8 / 38

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

9 / 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}

10 / 38

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

11 / 38

(AB)ˉ¹ = ______

12 / 38

Matrix A + B can be found, if ________________

13 / 38

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

14 / 38

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

15 / 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}

16 / 38

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

17 / 38

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

18 / 38

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

19 / 38

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

20 / 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}

21 / 38

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

22 / 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.

23 / 38

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

24 / 38

Two Materices A and B are confirmable for multiplication if ______

25 / 38

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

26 / 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}

27 / 38

[ 5 ] is a matrix with order ______

28 / 38

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

29 / 38

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

30 / 38

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

 

31 / 38

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

32 / 38

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

33 / 38

Inverse of a Matrix A is equal to ________

34 / 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}

35 / 38

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

36 / 38

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

37 / 38

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

38 / 38

\begin{bmatrix} 1 & 0\\ 0 & 1 \end{bmatrix} Matrix 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)

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)

Exercise 14.2           (English)            (Urdu)

Exercise 14-Rev      (English)            (Urdu)

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Exercise 15           (English)            (Urdu)

Exercise 15-Rev   (English)            (Urdu)

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Exercise 16.1           (English)            (Urdu)

Exercise 16.2           (English)            (Urdu)

Exercise 16-Rev      (English)            (Urdu)

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Exercise 17.1           (English)            (Urdu)

Exercise 17.2           (English)            (Urdu)

Exercise 17.3           (English)            (Urdu)

Exercise 17.4           (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#2, 09th Class

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1 / 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)

2 / 15

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

3 / 15

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

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

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

6 / 15

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

7 / 15

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

8 / 15

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

9 / 15

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

10 / 15

Every Real number is _______

11 / 15

The conjugate of 5+4ι is ____________

12 / 15

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

13 / 15

A non-terminating, non-recurring decimal represents ____________

14 / 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}}

15 / 15

the value of \iota ^9 is ________

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1 / 19

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

2 / 19

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

3 / 19

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

4 / 19

How many obtuse angles in a triangle?

5 / 19

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

6 / 19

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

7 / 19

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

8 / 19

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

9 / 19

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

10 / 19

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

11 / 19

Which one of the following sets form a triangle?

12 / 19

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

13 / 19

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

14 / 19

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

15 / 19

A line segment has how many mid points?

16 / 19

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

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

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

19 / 19

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

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1 / 19

Diagonals of a rectangle are ______Equal

2 / 19

A closed geometrical figure having 4 sides is called ______

3 / 19

Diagonal of a parallelogram divides it into two ____ triangles

4 / 19

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

5 / 19

In parallelogram opposite sides are ______

6 / 19

Bisection means dividing in ____ equal parts.

7 / 19

Opposite sides are congruent in a ______

8 / 19

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

9 / 19

Diagonal of a parallelogram divides the parallelogram into two ______ triangles

10 / 19

Diagonals of a parallelogram ____ each other at a point.

11 / 19

Diagonals of a parallelogram do ____ of each other

12 / 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.

13 / 19

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

14 / 19

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

15 / 19

In a parallelogram _________ (Select Correct Property)

16 / 19

In a parallelogram _________ (Select Correct Property)

17 / 19

Diagonals of a parallelogram divide the parallelogram into _____congruent triangles.

18 / 19

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

19 / 19

In a parallelogram _________ are congruent.

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Math Ch#3, 09th Class

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1 / 14

if        x=log y

then y is called the ________ of x

2 / 14

if a^{x} = n then

  • a = log_{x}n
  • x = log_{n}a
  • x = log_{a}n
  • a = log_{n}x

Select One Option

3 / 14

Log( m^{n}) can be written as____

  • (Log m)^{n}
  • m Log n
  • n Log m
  • Log (mn)

Select Correct Option

4 / 14

the value of log (\frac{p}{q}) is

5 / 14

The logarithm of unity to any base is __________

6 / 14

The logarithm of any number to itself as base is ____________

7 / 14

For Common Logarithm the base is _________

8 / 14

log e = __________

where e ≈ 2.718

9 / 14

The Relation y = log_{z}x implies

  • x^{y} = z
  • z^{y} = x
  • x^{z} = y
  • y^{z} = x

Select Correct Option

 

10 / 14

Log_{b}a  x  Log_{c}b  can be written as ______

  • Log_{a}c
  • Log_{c}a
  • Log_{a}b
  • Log_{b}c

which Option is Correct?

11 / 14

Log p - Log q is same as __________

  •  Log (\frac{p}{q})

  • Log ( p - q )

  • \frac{Log p}{Log q}

  • Log q - Log p

Select Correct Option

12 / 14

The Integral part of the common logarithm of a number is called the __________

13 / 14

Log_{y}x will be equal to ______________

  • \frac{Log_{z}x}{^{Log_{y}Z}}
  • \frac{Log_{x}Z}{^{Log_{y}Z}}
  • \frac{Log_{z}x}{^{Log_{z}y}}
  • \frac{Log_{z}y}{^{Log_{z}X}}

Select Correct Option

14 / 14

The Decimal part of the common Logarithm of a number is called ________

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