Mathematics Practice Tests 3

Created by Ali Durrani

NET Practice

Math Practice Test 3

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1 / 100

Category: Math Ch 2

The number of all subsets of a set having three elements is:

4

6

8

10

2 / 100

Category: Math

A compound proposition which is always wrong is called:

Tautology

contradiction

absurdity

contingency

3 / 100

Category: Math Ch 4 Class 12

The point where the medians of a triangle intersect is called_________ of the triangle.

Centroid

centre

orthocenter

circumference

4 / 100

Category: Math Ch 3

For any matrix A , it is always true that

? = ?^?

?^−1 = 1/A

|?| = |?^?|

– ? = ?̅

5 / 100

Category: Math Ch 1

For all ? ∈ ? , ? = ? is …. Property.

Reflexive

Symmetric

Transitive

Trichotomy

6 / 100

Category: Math Ch 12

A triangle which is not right is called:

Oblique triangle

Isosceles triangle

Scalene triangle

Right isosceles triangle

7 / 100

Category: Math Ch 10

Fundamental law of trigonometry is , ???(? − ?)

???????? + ????????

???????? − ????????

???????? + ????????

???????? − ????????

8 / 100

Category: Math Ch 1

For all ?, ? ∈ ? , ? = ? ⟹ ? = ? is called….. property.

Reflexive

Symmetric

Transitive

Trichotomy

9 / 100

Category: Math Ch 9

One right angle is equal to

?/2 ??????

90°

1/4 ????????

All of these

10 / 100

Category: Math Ch 7 Class 12

The angles ?, ?, ??? ? which a non-zero vector ? makes with ? − ????, ? − ???? and
? − ???? respectively are called_____________ of ?.

Direction cosines

direction ratios

direction angles

inclinations

11 / 100

Category: Math Ch 1

A decimal which has a finite numbers of digits in its decimal part is called______ decimal.

Terminating

Non-Terminating

Recurring

Non recurring

12 / 100

Category: Math Ch 7 Class 12

a

b

c

d

13 / 100

Category: Math Ch 7 Class 12

Cross product or vector product is defined

In plane only

in space only

everywhere

in vector field

14 / 100

Category: Math Ch 7 Class 12

a

b

c

d

15 / 100

Category: Math Ch 3

a

b

c

d

16 / 100

Category: Math Ch 3 Class 12

a

b

c

d

17 / 100

Category: Math Ch 2

Inverse of any element of a group is:

Not unique

unique

has many inverses

none of these

18 / 100

Category: Math Ch 7 Class 12

If ? be the set of real numbers, then the Cartesian plane is defined as

?2 = {(?2, ?2): ?, ? ∈ ?}

R2 = {(?, ?): ?, ? ∈ ?}

?2 = {(?, ?): ?, ? ∈ ?, ? = −?}

?2 = {(?, ?): ?, ? ∈ ?, ? = ?}

19 / 100

Category: Math Ch 1

??/? is

Rational

Irrational

an integer

a whole number

20 / 100

Category: Math Ch 2 Class 12

a

b

c

d

21 / 100

Category: Math Ch 2 Class 12

The maximum value of the function ?(?) = ?^? − ? − ? is

−9/2

−9/4

-1

0

22 / 100

Category: Math Ch 10

???(???° + ?)???(??° − ?) =

????????

– ????????

????

– ????

23 / 100

Category: Math Ch 12

The point of intersection of the right bisectors of the sides of the triangle is :

Circum centre

In-centre

Escribed center

Diameter

24 / 100

Category: Math Ch 7

a

b

c

d

25 / 100

Category: Math Ch 10

a

b

c

d

26 / 100

Category: Math Ch 4 Class 12

a

b

c

d

27 / 100

Category: Math Ch 2

Every recurring non terminating decimal represents

?

?′

?

None

28 / 100

Category: Math Ch 12

a

b

c

d

29 / 100

Category: Math Ch 12

a

b

c

d

30 / 100

Category: Math Ch 12

a

b

c

d

31 / 100

Category: Math Ch 6 Class 12

The set of points which are equal distance from a fixed point is called:

Circle

Parabola

Ellipse

Hyperbola

32 / 100

Category: Math Ch 6

a

b

c

d

33 / 100

Category: Math Ch 6

The next term of the sequence ?, ?, ??, ??, … is

112

120

124

None of these

34 / 100

Category: Math Ch 4 Class 12

If the equations of the sides of a triangle are given then the intersection of any two lines in
pairs gives ________ the triangles.

Vertices

centre

mid-points of sides

centriod

35 / 100

Category: Math Ch 7

A die is rolled , the probability of getting 3 or 5 is:

2/3

15/36

-15/36

1/36

36 / 100

Category: Math Ch 2 Class 12

a

b

c

d

37 / 100

Category: Math Ch 5 Class 12

A function which is to be maximized or minimized is called______ function

Subjective

objective

qualitative

quantitative

38 / 100

Category: Math Ch 3 Class 12

a

b

c

d

39 / 100

Category: Math Ch 6 Class 12

The chord containing the centre of the circle is

Radius of circle

Diameter of circle

Area of circle

Tangent of circle

40 / 100

Category: Math Ch 4

The sum of all four fourth roots of unity is:

Unity

0

-1

None

41 / 100

Category: Math Ch 1

?^?? equals:

?

– ?

1

-1

42 / 100

Category: Math Ch 9

a

b

c

d

43 / 100

Category: Math Ch 7 Class 12

a

b

c

d

44 / 100

Category: Math Ch 4

a

b

c

d

45 / 100

Category: Math Ch 1

The modulus of ? = ? + ?? is

√(? + ?)

√(?2 + ?2)

? − ?

√(?2 − ?2)

46 / 100

Category: Math Ch 1 Class 12

The term “Function” was recognized by______ to describe the dependence of one quantity
to another.

Lebnitz

Euler

Newton

Lagrange

47 / 100

Category: Math Ch 7

a

b

c

d

48 / 100

Category: Math Ch 4

The complex fourth roots of unity are ……. of each other.

Additive inverse

equal to

square of

None of these

49 / 100

Category: Math Ch 2 Class 12

a

b

c

d

50 / 100

Category: Math Ch 5

a

b

c

d

51 / 100

Category: Math Ch 3 Class 12

The order of the differential equation : ????/??? +??/?? − ? = ?

0

1

2

more than 2

52 / 100

Category: Math Ch 6

If sum of series is not defined then it is called:

Convergent series

Divergent series

finite series

Geometric series

53 / 100

Category: Math

A diagram which represents a set is called______

Venn’s

Argand

Plane

None

54 / 100

Category: Math Ch 1

The set {?, −?} possesses closure property ?. ?. ?

+

×

÷

−

55 / 100

Category: Math Ch 4

Basic techniques for solving quadratic equations are

1

2

3

4

56 / 100

Category: Math Ch 3

If all entries of a square matrix of order ? is multiplied by ?, then value of |??| is equal to:

?|?|

?^2 |?|

?^3 |?|

|?|

57 / 100

Category: Math Ch 6 Class 12

a

b

c

d

58 / 100

Category: Math Ch 3 Class 12

a

b

c

d

59 / 100

Category: Math Ch 6 Class 12

a

b

c

d

60 / 100

Category: Math Ch 14

a

b

c

d

61 / 100

Category: Math Ch 4

The product of all four fourth roots of unity is:

Unity

0

-1

None

62 / 100

Category: Math Ch 3

The element ??? of any matrix A is present in:

? ?ℎ row and ? ?ℎ column

? ?ℎ column and ? ?ℎ row

(? + ?)?ℎ row and column

63 / 100

Category: Math Ch 4

11. ???^? + ???^? =

0

-16

16

-1

64 / 100

Category: Math Ch 7 Class 12

a

b

c

d

65 / 100

Category: Math Ch 5 Class 12

a

b

c

d

66 / 100

Category: Math Ch 7

The number of diagonals in 10-sided figure is

10

10?2

10?2 − 10

45

67 / 100

Category: Math Ch 3 Class 12

a

b

c

d

68 / 100

Category: Math Ch 11

Range of ? = ???? is

?

? − [−1,1]

? − {0}

Z

69 / 100

Category: Math Ch 3

a

b

c

d

70 / 100

Category: Math Ch 7 Class 12

a

b

c

d

71 / 100

Category: Math Ch 5

A quadratic factor which cannot written as a product of linear factors with real coefficients is
called:

An irreducible factor

reducible factor

an irrational factor

an improper factor

72 / 100

Category: Math Ch 9

One rotation in anti-clock wise direction is equal to:

180°

270°

360°

90°

73 / 100

Category: Math Ch 5 Class 12

A linear inequality contains at least _________ variables.

One

two

three

more than three

74 / 100

Category: Math Ch 1 Class 12

If ? is expressed in terms of a variable ? as ? = ?(?), then ? is called :

An explicit function

An implicit function

A linear function

An identity function

75 / 100

Category: Math Ch 4 Class 12

The straight line which passes through one vertex and perpendicular to opposite side is
called:

Median

altitude

perpendicular bisector

normal

76 / 100

Category: Math Ch 3 Class 12

∫ ?????? =

– ???? + ?

???? + ?

– ???? + ?

???? + c

77 / 100

Category: Math Ch 1

The numbers which can be written in the form of ?/? , ?, ? ∈ ? , ? ≠ ? are :

Rational number

Irrational number

Complex number

Whole number

78 / 100

Category: Math Ch 5

A fraction ?(?)/?(?), ?(?) ≠ ? is called proper fraction if :

Degree of ?(?) < Degree of ?(?)

Degree of ?(?) = Degree of ?(?)

Degree of ?(?) > Degree of ?(?)

Degree of ?(?) ≥ Degree of ?(?)

79 / 100

Category: Math Ch 3 Class 12

a

b

c

d

80 / 100

Category: Math

Inverse of any element of a group is:

Not unique

unique

has many inverses

none of these

81 / 100

Category: Math Ch 9

a

b

c

d

82 / 100

Category: Math Ch 7 Class 12

a

b

c

d

83 / 100

Category: Math Ch 4

a

b

c

d

84 / 100

Category: Math Ch 7

a

b

c

d

85 / 100

Category: Math Ch 7

a

b

c

d

86 / 100

Category: Math Ch 5

Conditional equation ?? + ? = ? holds when ? is equal to:

−3/2

3/2

1/3

1

87 / 100

Category: Math Ch 1 Class 12

The linear function ?(?) = ?? + ? is constant function if

? ≠ 0, ? = 1

? = 1, ? = 0

? = 1, ? = 1

? = 0

88 / 100

Category: Math Ch 3 Class 12

a

b

c

d

89 / 100

Category: Math Ch 7

a

b

c

d

90 / 100

Category: Math Ch 4

Sum of all cube roots of 64 is :

0

1

64

-64

91 / 100

Category: Math Ch 4 Class 12

The slope of the line ?? + ?? + ? = ? is

?/?

–?/?

?/?

–?/a

92 / 100

Category: Math Ch 6 Class 12

All lines through vertex and points on circle generate a

Circle

Ellipse

Circular cone

None of these

93 / 100

Category: Math Ch 2

If ? ∈ ? ∪ ? then

? ∉ ? ?? ? ∉ ?

? ∉ ? ?? ? ∈ ?

? ∈ ? ?? ? ∉ ?

? ∈ ? ?? ? ∈ ?

94 / 100

Category: Math Ch 8

a

b

c

d

95 / 100

Category: Math Ch 4

The sum of all four fourth roots of unity is:

Unity

0

-1

None

96 / 100

Category: Math

Every function is:

Relation

inverse function

one to one

none of these

97 / 100

Category: Math Ch 1 Class 12

The domain and range of identity function , ?: ? → ? is

?

+iv real numbers

–iv real numbers

integers

98 / 100

Category: Math Ch 12

a

b

c

d

99 / 100

Category: Math Ch 6

a

b

c

d

100 / 100

Category: Math Ch 12

7. Which can be reduced to Pythagoras theorem,

Law of sine

law of cosine

law of tangents

Half angle formulas

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