Mathematics 9th Class Chapter-01

9th Class Math MCQs Chapter-01

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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

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

2 / 38

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

3 / 38

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

4 / 38

Inverse of a Matrix A is equal to ________

5 / 38

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

6 / 38

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

7 / 38

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

8 / 38

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

9 / 38

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

10 / 38

[ 5 ] is a matrix with order ______

11 / 38

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

12 / 38

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

13 / 38

Which is order of a square matrix?

14 / 38

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

15 / 38

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

16 / 38

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

17 / 38

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

18 / 38

An Identity Matrix (Unity Matrix) is always a _____

19 / 38

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

20 / 38

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

21 / 38

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

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

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}

24 / 38

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

25 / 38

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

26 / 38

(AB)ˉ¹ = ______

27 / 38

Matrix A + B can be found, if ________________

28 / 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}

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

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

31 / 38

The order of a matrix [ 1   2 ] is _____

32 / 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}

33 / 38

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

34 / 38

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

35 / 38

Two Materices A and B are confirmable for multiplication if ______

36 / 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}

37 / 38

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

 

38 / 38

Matrix \begin{bmatrix} \sqrt{2} & 0\\ 0 & \sqrt{2} \end{bmatrix} 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)

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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)

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Exercise 6.1           (English)            (Urdu)

Exercise 6.2           (English)            (Urdu)

Exercise 6.3           (English)            (Urdu)

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Exercise 7.1           (English)            (Urdu)

Exercise 7.2           (English)            (Urdu)

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Exercise 8.1           (English)            (Urdu)

Exercise 8.2           (English)            (Urdu)

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Exercise 9.1           (English)            (Urdu)

Exercise 9.2           (English)            (Urdu)

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Exercise 10.1           (English)            (Urdu)

Exercise 10.2           (English)            (Urdu)

Exercise 10.3           (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 12.1           (English)            (Urdu)

Exercise 12.2           (English)            (Urdu)

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Exercise 13.1           (English)            (Urdu)

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Exercise 14.1           (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

In a parallelogram _________ are congruent.

2 / 19

Diagonals of a rectangle are ______Equal

3 / 19

A closed geometrical figure having 4 sides is called ______

4 / 19

Diagonals of a parallelogram ____ each other at a point.

5 / 19

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

6 / 19

Bisection means dividing in ____ equal parts.

7 / 19

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

8 / 19

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

9 / 19

Diagonals of a parallelogram divide the parallelogram into _____congruent triangles.

10 / 19

Diagonal of a parallelogram divides it into two ____ triangles

11 / 19

In a parallelogram _________ (Select Correct Property)

12 / 19

In parallelogram opposite sides are ______

13 / 19

Diagonal of a parallelogram divides the parallelogram into two ______ triangles

14 / 19

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

15 / 19

In a parallelogram _________ (Select Correct Property)

16 / 19

Diagonals of a parallelogram do ____ of each other

17 / 19

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

18 / 19

Opposite sides are congruent in a ______

19 / 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.

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1 / 6

A Statement involving any of the symbols <, >, ≤, ≥ is called _________

2 / 6

if x is no larger than 10, then _____(Which statement is true)

3 / 6

x = ________ is a  solution of the inequality -2 < x < \frac{3}{2}

4 / 6

x = 0 is a solution of the inequality ___________

5 / 6

if the capacity c of an elevator is at most 1600 ponds, then ___________ (Which statement is true)

6 / 6

Which of the following is the solution of inequality 3-4x \leqslant 11 ?

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1 / 17

Area of a triangular region can be calculated as __________

2 / 17

The unit of area is _____________

3 / 17

Area of _______ is equal to = Base x Altitude

4 / 17

Congruent figures are ____ in area.

5 / 17

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

6 / 17

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

7 / 17

Any diagonal of a parallelogram divides it in two _____ triangles

8 / 17

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

9 / 17

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

10 / 17

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

11 / 17

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

12 / 17

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

13 / 17

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

14 / 17

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

15 / 17

Perpendicular distance between two parallel lines is _______ different.

16 / 17

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

17 / 17

A quadrilateral having each angle 90 degree is called _____

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1 / 12

Equality of _____ ratio is defined as proportion.

2 / 12

Symbol to show similarity is used ________

3 / 12

______ altitudes of equilateral triangle are congruent.

4 / 12

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

5 / 12

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

6 / 12

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

7 / 12

Unit of ratio is __________

8 / 12

The line segment has only ___ point of bisection

9 / 12

In two similar triangles, ______ sides are proportional

10 / 12

______  points can be determine a line.

11 / 12

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

12 / 12

________ has no unit.

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