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

2 / 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.

3 / 38

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

 

4 / 38

An Identity Matrix (Unity Matrix) is always a _____

5 / 38

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

6 / 38

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

7 / 38

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

8 / 38

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

9 / 38

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

10 / 38

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

11 / 38

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

12 / 38

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

13 / 38

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

14 / 38

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

15 / 38

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

16 / 38

Which is order of a square matrix?

17 / 38

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

18 / 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}

19 / 38

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

20 / 38

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

21 / 38

[ 5 ] is a matrix with order ______

22 / 38

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

23 / 38

Inverse of a Matrix A is equal to ________

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

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

26 / 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}

27 / 38

Matrix A + B can be found, if ________________

28 / 38

The order of a matrix [ 1   2 ] is _____

29 / 38

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

30 / 38

Two Materices A and B are confirmable for multiplication if ______

31 / 38

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

32 / 38

(AB)ˉ¹ = ______

33 / 38

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

34 / 38

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

35 / 38

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

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

38 / 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}

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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)


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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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Exercise 17.1           (English)            (Urdu)


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Exercise 17.3           (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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1 / 19

Diagonals of a rectangle are ______Equal

2 / 19

In a parallelogram _________ (Select Correct Property)

3 / 19

In a parallelogram _________ (Select Correct Property)

4 / 19

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

5 / 19

Diagonals of a parallelogram divide the parallelogram into _____congruent triangles.

6 / 19

Diagonal of a parallelogram divides the parallelogram into two ______ triangles

7 / 19

Diagonal of a parallelogram divides it into two ____ triangles

8 / 19

Opposite sides are congruent in a ______

9 / 19

A closed geometrical figure having 4 sides is called ______

10 / 19

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

11 / 19

In parallelogram opposite sides are ______

12 / 19

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

13 / 19

In a parallelogram _________ are congruent.

14 / 19

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

15 / 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.

16 / 19

Bisection means dividing in ____ equal parts.

17 / 19

Diagonals of a parallelogram ____ each other at a point.

18 / 19

Diagonals of a parallelogram do ____ of each other

19 / 19

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

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Math Ch#17, 9th Class

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1 / 16

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

2 / 16

A triangle having two sides congruent is called ________

3 / 16

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

4 / 16

Medians of a triangle are ________

5 / 16

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

6 / 16

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

7 / 16

The right bisectors of triangle are ________

8 / 16

The medians of a triangle are _______

9 / 16

The bisectors of the angle of triangle are ______

10 / 16

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

11 / 16

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

12 / 16

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

13 / 16

All three altitudes of _____ are concurrent.

14 / 16

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

15 / 16

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

16 / 16

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

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Math Ch#10, 9th Class

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1 / 13

A tringle has _____ elements.

2 / 13

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

3 / 13

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

4 / 13

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

5 / 13

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

6 / 13

The symbol used for angle is ________

7 / 13

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

8 / 13

The sum of internal angle of any triangle is always_____

9 / 13

Congruent triangles are having ____ size and shape

10 / 13

A ray has ____ end point.

11 / 13

Two parallel lines can intersect each other at ___

12 / 13

Two line can intersect at ___ point only

13 / 13

The symbol used for perpendicular is ________

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Math Ch#16, 9th Class

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1 / 17

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

2 / 17

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

3 / 17

Area of _______ is equal to = Base x Altitude

4 / 17

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

5 / 17

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

6 / 17

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

7 / 17

The unit of area is _____________

8 / 17

A quadrilateral having each angle 90 degree is called _____

9 / 17

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

10 / 17

Perpendicular distance between two parallel lines is _______ different.

11 / 17

Area of a triangular region can be calculated as __________

12 / 17

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

13 / 17

Congruent figures are ____ in area.

14 / 17

Any diagonal of a parallelogram divides it in two _____ triangles

15 / 17

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

16 / 17

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

17 / 17

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

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