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

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}

2 / 38

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

3 / 38

Inverse of a Matrix A is equal to ________

4 / 38

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

5 / 38

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

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

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

8 / 38

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

9 / 38

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

10 / 38

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

11 / 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}

12 / 38

(AB)ˉ¹ = ______

13 / 38

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

14 / 38

Two Materices A and B are confirmable for multiplication if ______

15 / 38

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

 

16 / 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.

17 / 38

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

18 / 38

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

19 / 38

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

20 / 38

Matrix A + B can be found, if ________________

21 / 38

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

22 / 38

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

23 / 38

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

24 / 38

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

25 / 38

An Identity Matrix (Unity Matrix) is always a _____

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

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

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

[ 5 ] is a matrix with order ______

31 / 38

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

32 / 38

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

33 / 38

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

34 / 38

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

35 / 38

Which is order of a square matrix?

36 / 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}

37 / 38

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

38 / 38

The order of a matrix [ 1   2 ] 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)


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 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

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

2 / 16

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

3 / 16

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

4 / 16

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

5 / 16

Medians of a triangle are ________

6 / 16

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

7 / 16

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

8 / 16

The right bisectors of triangle are ________

9 / 16

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

10 / 16

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

11 / 16

The medians of a triangle are _______

12 / 16

All three altitudes of _____ are concurrent.

13 / 16

The bisectors of the angle of triangle are ______

14 / 16

A triangle having two sides congruent is called ________

15 / 16

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

16 / 16

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

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Math Ch#13, 9th Class

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1 / 16

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

2 / 16

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

3 / 16

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

4 / 16

The ________ of sides of the triangle is concurrent.

5 / 16

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

6 / 16

Similar triangles are also called __________

7 / 16

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

8 / 16

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

9 / 16

Symbol used for similarity is _________

10 / 16

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

11 / 16

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

12 / 16

Similar triangles are of same shape and can ______ size.

13 / 16

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

14 / 16

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

15 / 16

How many lines can be drawn through two points?

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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Math Ch#10, 9th Class

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1 / 13

In ______ triangle, bisector of any one of its angles divided the triangle into congruent triangle.

2 / 13

Congruent triangles are having ____ size and shape

3 / 13

A ray has ____ end point.

4 / 13

The symbol used for perpendicular is ________

5 / 13

The symbol used for angle is ________

6 / 13

The sum of internal angle of any triangle is always_____

7 / 13

A tringle has _____ elements.

8 / 13

The number of acute angles in an acute angled triangle is _____

9 / 13

In a triangle, there can be only ____ right angle.

10 / 13

Two line can intersect at ___ point only

11 / 13

In a right-angle isosceles triangle, each base angle is _____

12 / 13

Two parallel lines can intersect each other at ___

13 / 13

If two angles of a triangle are ______then triangle is right angled triangle.

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Math Ch#16, 9th Class

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1 / 17

The unit of area is _____________

2 / 17

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

3 / 17

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

4 / 17

Any diagonal of a parallelogram divides it in two _____ triangles

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

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

8 / 17

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

9 / 17

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

10 / 17

Perpendicular distance between two parallel lines is _______ different.

11 / 17

A quadrilateral having each angle 90 degree is called _____

12 / 17

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

13 / 17

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

14 / 17

Area of _______ is equal to = Base x Altitude

15 / 17

Area of a triangular region can be calculated as __________

16 / 17

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

17 / 17

Congruent figures are ____ in area.

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