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

An Identity Matrix (Unity Matrix) is always a _____

2 / 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}

3 / 38

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

4 / 38

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

5 / 38

The order of a matrix [ 1   2 ] is _____

6 / 38

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

7 / 38

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

8 / 38

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

9 / 38

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

10 / 38

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

 

11 / 38

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

12 / 38

Two Materices A and B are confirmable for multiplication if ______

13 / 38

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

14 / 38

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

15 / 38

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

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

18 / 38

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

19 / 38

Which is order of a square matrix?

20 / 38

(AB)ˉ¹ = ______

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

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

24 / 38

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

25 / 38

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

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

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}

28 / 38

Inverse of a Matrix A is equal to ________

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

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

31 / 38

Matrix A + B can be found, if ________________

32 / 38

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

33 / 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}

34 / 38

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

35 / 38

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

36 / 38

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

37 / 38

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

38 / 38

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


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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)


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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)


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Exercise 13-Rev      (English)            (Urdu)


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Exercise 14.1           (English)            (Urdu)


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Exercise 16.1           (English)            (Urdu)


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Exercise 17.1           (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 / 17

Any diagonal of a parallelogram divides it in two _____ triangles

2 / 17

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

3 / 17

A quadrilateral having each angle 90 degree is called _____

4 / 17

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

5 / 17

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

6 / 17

Perpendicular distance between two parallel lines is _______ different.

7 / 17

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

8 / 17

Congruent figures are ____ in area.

9 / 17

Area of a triangular region can be calculated as __________

10 / 17

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

11 / 17

Area of _______ is equal to = Base x Altitude

12 / 17

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

13 / 17

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

14 / 17

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

15 / 17

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

16 / 17

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

17 / 17

The unit of area is _____________

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Math Ch#14, 9th Class

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1 / 12

______  points can be determine a line.

2 / 12

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

3 / 12

In two similar triangles, ______ sides are proportional

4 / 12

Equality of _____ ratio is defined as proportion.

5 / 12

______ altitudes of equilateral triangle are congruent.

6 / 12

Symbol to show similarity is used ________

7 / 12

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

8 / 12

The line segment has only ___ point of bisection

9 / 12

________ has no unit.

10 / 12

Unit of ratio is __________

11 / 12

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

12 / 12

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

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Math Ch#13, 9th Class

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1 / 16

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

2 / 16

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

3 / 16

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

4 / 16

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

5 / 16

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

6 / 16

The ________ of sides of the triangle is concurrent.

7 / 16

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

8 / 16

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

9 / 16

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

10 / 16

Symbol used for similarity is _________

11 / 16

Similar triangles are also called __________

12 / 16

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

13 / 16

Similar triangles are of same shape and can ______ size.

14 / 16

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

15 / 16

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

16 / 16

How many lines can be drawn through two points?

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Math Ch#08, 09th Class

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1 / 29

If a, b, and c are the side of right-angle triangle and c is hypotenuse then according to the Pythagoras theorem _________

2 / 29

If ordered pair (x, y) is in 4th quadrant then ______

3 / 29

The angle between two coordinate axis is _________

4 / 29

In ordered pair (a, b), b Is called _______

5 / 29

If “A” and “B” are any two sets then their cartesian product is denoted by ______

6 / 29

For equation 2x+y=6, order pair _____ is the solution of equation.

7 / 29

The line of the equation x=3 is parallel to _______

8 / 29

In two-dimensional plan, the horizontal line is called ______

9 / 29

n the equation M=f(k), which statement is true?

10 / 29

According to Pythagoras theorem (altitude)2 = ________

11 / 29

Cartesian plan is divided into ____ Quadrant

12 / 29

In ordered pair (a, b), a is called as ________

13 / 29

A n-ordered associated with a point in 2-dimensional plane is called _____

14 / 29

If the equation y=mx, y-coordinate of every point is ____ times of x-coordinate.

15 / 29

Graph of the equation x=a is a ________ line

16 / 29

In equation y=mx+c, if x=0 then line is parallel to __________

17 / 29

The point (5, 0) lies on ______

18 / 29

The point of intersection of two coordinate axis is called _______

19 / 29

In Cartesian coordinate plane, the point (3, -4) is located in ________

20 / 29

the plan formed by two straight lines perpendicular to each other, this plan is called _______

21 / 29

the plan formed by two straight lines perpendicular to each other, these lines are called ______

22 / 29

In two-dimensional plan, the vertical line is called ______

23 / 29

The graph of the equation y=b is a line and at a distance of b unit from _______ points on x-axis

24 / 29

If ordered pair (x, y) is in 2nd quadrant then ______

25 / 29

The point (0, 5) lies on _______

26 / 29

If ordered pair (x, y) is in 1st quadrant then ______

27 / 29

Pythagoras is a _____ mathematician.

28 / 29

In Cartesian plan, the point (2,0) lies on _______

29 / 29

In a right-angle triangle, larger angle measures as _______

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