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

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

2 / 38

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

3 / 38

The order of a matrix [ 1   2 ] is _____

4 / 38

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

5 / 38

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

6 / 38

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

7 / 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}

8 / 38

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

 

9 / 38

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

10 / 38

Which is order of a square matrix?

11 / 38

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

12 / 38

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

13 / 38

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

14 / 38

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

15 / 38

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

16 / 38

Two Materices A and B are confirmable for multiplication if ______

17 / 38

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

18 / 38

(AB)ˉ¹ = ______

19 / 38

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

20 / 38

An Identity Matrix (Unity Matrix) is always a _____

21 / 38

Matrix A + B can be found, if ________________

22 / 38

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

23 / 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.

24 / 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}

25 / 38

Inverse of a Matrix A is equal to ________

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

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

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

29 / 38

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

30 / 38

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

31 / 38

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

32 / 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}

33 / 38

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

34 / 38

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

35 / 38

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

36 / 38

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

37 / 38

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

38 / 38

[ 5 ] is a matrix with order ______

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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)


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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)


Exercise 13.2           (English)            (Urdu)


Exercise 13-Rev      (English)            (Urdu)


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Exercise 14.1           (English)            (Urdu)


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Exercise 15           (English)            (Urdu)


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Exercise 16.1           (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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Math Ch#17, 9th Class

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1 / 16

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

2 / 16

Medians of a triangle are ________

3 / 16

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

4 / 16

The right bisectors of triangle are ________

5 / 16

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

6 / 16

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

7 / 16

The medians of a triangle are _______

8 / 16

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

9 / 16

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

10 / 16

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

11 / 16

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

12 / 16

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

13 / 16

A triangle having two sides congruent is called ________

14 / 16

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

15 / 16

All three altitudes of _____ are concurrent.

16 / 16

The bisectors of the angle of triangle are ______

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Math Ch#5, 09th Class

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1 / 15

x^{2}+5x+6  can factorize as _____________

2 / 15

The Factors of x^{2} - 5x + 6 are_________

3 / 15

Factors of a^{4}-4b^{4} are _________

  • (a-b), (a+b), (a^{2}+4b^{2})
  • (a-b), (a+b), (a^{2}-4b^{2})
  • (a^{2}-2b^{2}), (a^{2}+2b^{2})
  • (a-2b), (a^{2}+2b^{2})

(Select Correct Option)

4 / 15

4a^{2}-16 can be factorize as __________

5 / 15

Factored form of x^{2}-16 is ___________

6 / 15

What will be added to complete the square of 9a^{2}-12ab _______

  • -16b^{2}
  • 16b^{2}
  • 4b^{2}
  • -4b^{2}

(Which Option is Correct)

7 / 15

Factors of 3x^{2}-x-2 are __________

8 / 15

if x-2 is factor of    p(x) = x^{2}+2kx+8    , then k = _______

9 / 15

4a^{2}+4ab+(...........) is a complete square

  • b^{2}
  • 2b
  • ab

(Select Correct Option)

10 / 15

(x+y)(x^{2}-xy+y^{2}) = ................

  • (x^{3}-y^{3})
  • (x^{3}+y^{3})
  • (x+y)^{3}
  • (x-y)^{3}

(Select Correct Option)

11 / 15

____________ =  \frac{x^{2}}{y^{2}}-2+\frac{y^{2}}{x^{2}}

  • \left ( \frac{x}{y} +\frac{y}{x}\right )^{2}
  • \left ( \frac{x}{y} -\frac{y}{x}\right )^{2}
  • \left ( \frac{y}{x} +\frac{x}{y}\right )^{2}

12 / 15

Find m so that x^{2}+4x+m is a completed square_____

13 / 15

Factors of 8x^{3} +27y^{3} are ___________

  • (2x+3y), (4x^{2}+9y^{2})
  • (2x-3y), (4x^{2}-9y^{2})
  • (2x+3y), (4x^{2}-6xy+9y^{2})
  • (2x-3y), (4x^{2}+6xy+9y^{2})

(Select Correct Option)

14 / 15

Factors of 27x^{2}-\frac{1}{x^{3}}  are ____________

  • \left ( 3x-\frac{1}{x} \right )\left ( 9x^{2}+3+\frac{1}{x^{2}} \right )
  • \left ( 3x+\frac{1}{x} \right )\left ( 9x^{2}+3+\frac{1}{x^{2}} \right )
  • \left ( 3x-\frac{1}{x} \right )\left ( 9x^{2}-3+\frac{1}{x^{2}} \right )
  • \left ( 3x+\frac{1}{x} \right )\left ( 9x^{2}-3+\frac{1}{x^{2}} \right )

(Select Correct Option)

15 / 15

Factors of 5x^{2}-17xy-12y^{2} are _____

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Math Ch#13, 9th Class

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1 / 16

Symbol used for similarity is _________

2 / 16

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

3 / 16

How many lines can be drawn through two points?

4 / 16

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

5 / 16

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

6 / 16

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

7 / 16

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

8 / 16

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

9 / 16

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

10 / 16

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

11 / 16

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

12 / 16

Similar triangles are also called __________

13 / 16

The ________ of sides of the triangle is concurrent.

14 / 16

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

15 / 16

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

16 / 16

Similar triangles are of same shape and can ______ size.

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Math Ch#15, 9th Class

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1 / 19

Which of the following are the sides of a right angle triangles?

2 / 19

Which one of the following sets form a triangle?

3 / 19

Ratio between two elements “a and b” is represented as ______

4 / 19

If adjacent angles of two intersecting lines are congruent then lines are _____

5 / 19

If an isosceles right angles triangle, angle other than right angle is each of ______

6 / 19

If one acute angled triangle is 25°, the other acute angle is _______

7 / 19

Similar means that their corresponding angles are congruent and corresponding sides are___

8 / 19

How many obtuse angles in a triangle?

9 / 19

A line segment has how many mid points?

10 / 19

Point of intersection of the median of a triangle divides then ratio __________

11 / 19

If 3cm and 4cm are two sides of a right angled triangle, then hypotenuse is _____

12 / 19

If a, b and c are the sides of obtuse angle triangle, then the value of hypotenuse c is ____

13 / 19

Angle for the minimum distance of a point “p” from the line segment AB will be _____

14 / 19

In a scalene triangle, the angle opposite to the largest side of measure ___

15 / 19

If the square of one side of a triangle is equal to the sum of the squares of the other two sides, then the triangle is a ____ triangle.

16 / 19

Which of the following are the sides of a right angle triangles?

17 / 19

If ΔABC and ΔDEF are two similar triangles, then symbolically they are written as _____

18 / 19

Two sides of a triangle measure 12cm and 16cm, which of the following measure is possible for the third side.

19 / 19

If two sides of a triangle are unequal in length, the angle of the longer side opposite to it is of means____

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