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

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

2 / 38

Two Materices A and B are confirmable for multiplication if ______

3 / 38

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

4 / 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}

5 / 38

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

6 / 38

Inverse of a Matrix A is equal to ________

7 / 38

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

8 / 38

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

9 / 38

Matrix A + B can be found, if ________________

10 / 38

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

11 / 38

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

12 / 38

[ 5 ] is a matrix with order ______

13 / 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}

14 / 38

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

15 / 38

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

16 / 38

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

17 / 38

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

18 / 38

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

 

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

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

22 / 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}

23 / 38

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

24 / 38

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

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

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

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

28 / 38

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

29 / 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}

30 / 38

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

31 / 38

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

32 / 38

An Identity Matrix (Unity Matrix) is always a _____

33 / 38

The order of a matrix [ 1   2 ] is _____

34 / 38

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

35 / 38

(AB)ˉ¹ = ______

36 / 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}

37 / 38

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

38 / 38

Which is order of a square matrix?

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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)


Exercise 17.5           (English)            (Urdu)


Exercise 17-Rev      (English)            (Urdu)


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9th Math Science Group (English Medium)


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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

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

4 / 16

All three altitudes of _____ are concurrent.

5 / 16

A triangle having two sides congruent is called ________

6 / 16

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

7 / 16

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

8 / 16

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

9 / 16

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

10 / 16

The bisectors of the angle of triangle are ______

11 / 16

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

12 / 16

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

13 / 16

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

14 / 16

Medians of a triangle are ________

15 / 16

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

16 / 16

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

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Math Ch#16, 9th Class

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1 / 17

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

2 / 17

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

3 / 17

Any diagonal of a parallelogram divides it in two _____ triangles

4 / 17

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

5 / 17

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

6 / 17

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

7 / 17

Area of a triangular region can be calculated as __________

8 / 17

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

9 / 17

The unit of area is _____________

10 / 17

Perpendicular distance between two parallel lines is _______ different.

11 / 17

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

12 / 17

A quadrilateral having each angle 90 degree is called _____

13 / 17

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

14 / 17

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

15 / 17

Area of _______ is equal to = Base x Altitude

16 / 17

Congruent figures are ____ in area.

17 / 17

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

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Math Ch#2, 09th Class

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1 / 15

Imaginary part of -ι (3ι +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

A non-terminating, non-recurring decimal represents ____________

4 / 15

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

5 / 15

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

6 / 15

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

7 / 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}

8 / 15

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

9 / 15

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

10 / 15

The conjugate of 5+4ι 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

the value of \iota ^9 is ________

13 / 15

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

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

Every Real number is _______

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Math Ch#13, 9th Class

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1 / 16

Measure of one side of an equilateral triangle is 6cm. length of its median is ______ 9cm.

2 / 16

If a, b, c are 3 sides of right triangle with “c” as longer side , then _______

3 / 16

The ________ of sides of the triangle is concurrent.

4 / 16

The sum of the length of any sides two of a triangle is _____ the length of the third side.

5 / 16

Symbol used for similarity is _________

6 / 16

Similar triangles are of same shape and can ______ size.

7 / 16

In any right triangle, a side opposite to right angel is called _________

8 / 16

Similar triangles are also called __________

9 / 16

In any right triangle, one greatest angle is must be ___________

10 / 16

From a point outside a line, the perpendicular is the ________ distance from the point to that line.

11 / 16

A line is Perpendicular to a line, if an angle between these 2 lines is ________

12 / 16

Congruent triangles are, must be same size and also __________ shape.

13 / 16

How many lines can be drawn through two points?

14 / 16

If hypotenuse of an isosceles right triangle is √2cm, then each of other side is of length ______

15 / 16

Any point on the ________ of line segment is equidistant from its end point.

16 / 16

If a line segment intersects the two sides of a triangle in the same ration than it is _______ to the 3rd side.

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