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

2 / 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}

3 / 38

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

4 / 38

An Identity Matrix (Unity Matrix) is always a _____

5 / 38

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

6 / 38

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

7 / 38

Which is order of a square matrix?

8 / 38

(AB)ˉ¹ = ______

9 / 38

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

10 / 38

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

11 / 38

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

12 / 38

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

13 / 38

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

14 / 38

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

15 / 38

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

16 / 38

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

 

17 / 38

Two Materices A and B are confirmable for multiplication if ______

18 / 38

[ 5 ] is a matrix with order ______

19 / 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.

20 / 38

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

21 / 38

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

22 / 38

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

23 / 38

Matrix A + B can be found, if ________________

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

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

26 / 38

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

27 / 38

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

28 / 38

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

29 / 38

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

30 / 38

The order of a matrix [ 1   2 ] is _____

31 / 38

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

32 / 38

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

33 / 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}

34 / 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}

35 / 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}

36 / 38

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

37 / 38

Inverse of a Matrix A is equal to ________

38 / 38

\begin{bmatrix} 0 & 0\\ 0 & 0 \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)

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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1 / 16

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

2 / 16

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

3 / 16

Similar triangles are also called __________

4 / 16

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

5 / 16

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

6 / 16

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

7 / 16

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

8 / 16

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

9 / 16

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

10 / 16

Similar triangles are of same shape and can ______ size.

11 / 16

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

12 / 16

How many lines can be drawn through two points?

13 / 16

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

14 / 16

The ________ of sides of the triangle is concurrent.

15 / 16

Symbol used for similarity is _________

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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1 / 19

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

2 / 19

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

3 / 19

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

4 / 19

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

5 / 19

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

6 / 19

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

7 / 19

Which one of the following sets form a triangle?

8 / 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.

9 / 19

A line segment has how many mid points?

10 / 19

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

11 / 19

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

12 / 19

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

13 / 19

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

14 / 19

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

15 / 19

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

16 / 19

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

17 / 19

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

18 / 19

How many obtuse angles in a triangle?

19 / 19

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

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Math Ch#3, 09th Class

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1 / 14

The Relation y = log_{z}x implies

  • x^{y} = z
  • z^{y} = x
  • x^{z} = y
  • y^{z} = x

Select Correct Option

 

2 / 14

log e = __________

where e ≈ 2.718

3 / 14

For Common Logarithm the base is _________

4 / 14

The Integral part of the common logarithm of a number is called the __________

5 / 14

The Decimal part of the common Logarithm of a number is called ________

6 / 14

if a^{x} = n then

  • a = log_{x}n
  • x = log_{n}a
  • x = log_{a}n
  • a = log_{n}x

Select One Option

7 / 14

The logarithm of unity to any base is __________

8 / 14

the value of log (\frac{p}{q}) is

9 / 14

if        x=log y

then y is called the ________ of x

10 / 14

Log_{y}x will be equal to ______________

  • \frac{Log_{z}x}{^{Log_{y}Z}}
  • \frac{Log_{x}Z}{^{Log_{y}Z}}
  • \frac{Log_{z}x}{^{Log_{z}y}}
  • \frac{Log_{z}y}{^{Log_{z}X}}

Select Correct Option

11 / 14

The logarithm of any number to itself as base is ____________

12 / 14

Log( m^{n}) can be written as____

  • (Log m)^{n}
  • m Log n
  • n Log m
  • Log (mn)

Select Correct Option

13 / 14

Log p - Log q is same as __________

  •  Log (\frac{p}{q})

  • Log ( p - q )

  • \frac{Log p}{Log q}

  • Log q - Log p

Select Correct Option

14 / 14

Log_{b}a  x  Log_{c}b  can be written as ______

  • Log_{a}c
  • Log_{c}a
  • Log_{a}b
  • Log_{b}c

which Option is Correct?

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1 / 12

______ altitudes of equilateral triangle are congruent.

2 / 12

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

3 / 12

Symbol to show similarity is used ________

4 / 12

Unit of ratio is __________

5 / 12

In two similar triangles, ______ sides are proportional

6 / 12

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

7 / 12

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

8 / 12

______  points can be determine a line.

9 / 12

________ has no unit.

10 / 12

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

11 / 12

Equality of _____ ratio is defined as proportion.

12 / 12

The line segment has only ___ point of bisection

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