Mathematics Practice Tests 3

Created by Ali Durrani

NET Practice

Math Practice Test 3

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1 / 100

Category: Math Ch 3

. The additive inverse of a matrix exist only if it is:

Singular

non singular

null matrix

any matrix of order ? × n

2 / 100

Category: Math

A recurring decimal represents_____

Real number

Natural number

Rational number

None of these

3 / 100

Category: Math Ch 5

a

b

c

d

4 / 100

Category: Math Ch 3

A rectangular array of numbers enclosed by a square brackets is called:

Matrix

Row

Column

Determinant

5 / 100

Category: Math Ch 13

a

b

c

d

6 / 100

Category: Math Ch 1 Class 12

The graph of linear equation is always a

Straight line

parabola

circle

cube

7 / 100

Category: Math Ch 3 Class 12

∫ ?????? =

– ???? + ?

???? + ?

– ???? + ?

???? + c

8 / 100

Category: Math Ch 8

a

b

c

d

9 / 100

Category: Math Ch 11

a

b

c

d

10 / 100

Category: Math Ch 7 Class 12

The vector whose magnitude is 1 is called

Null vector

unit vector

free vector

scalar

11 / 100

Category: Math Ch 1

Golden rule of fraction is that for ? ≠ ?, ?/? =

??/??

??/?

??/b

12 / 100

Category: Math Ch 4 Class 12

A four sided polygon (quadrilateral) having two parallel and non-parallel sides is called

Square

rhombus

trapezium

||gram

13 / 100

Category: Math Ch 1 Class 12

a

b

c

d

14 / 100

Category: Math Ch 7 Class 12

Two vectors are said to be negative of each other if they have the same magnitude and
__________direction.

Same

opposite

negative

parallel

15 / 100

Category: Math Ch 6

2. A sequence is also known as:

Real sequence

Progression

Arrangement

Complex sequence

16 / 100

Category: Math Ch 2 Class 12

a

b

c

d

17 / 100

Category: Math Ch 3

Any matrix A is called singular if:

|?| = 0

|?| ≠ 0

? ^? = ?

??^−1 = ?

18 / 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

19 / 100

Category: Math Ch 7 Class 12

a

b

c

d

20 / 100

Category: Math Ch 2 Class 12

a

b

c

d

21 / 100

Category: Math Ch 5 Class 12

A linear inequality contains at least _________ variables.

One

two

three

more than three

22 / 100

Category: Math Ch 4

The sum of all four fourth roots of unity is:

Unity

0

-1

None

23 / 100

Category: Math Ch 6 Class 12

The ratio of the distance of a point from the focus to distance from the directrix is denoted by

?

e

24 / 100

Category: Math

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

(b) (c) (d)

Terminating

Non-Terminating

Recurring

Non recurring

25 / 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

26 / 100

Category: Math Ch 7 Class 12

Cross product or vector product is defined

In plane only

in space only

everywhere

in vector field

27 / 100

Category: Math Ch 9

One right angle is equal to

?/2 ??????

90°

1/4 ????????

All of these

28 / 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

29 / 100

Category: Math Ch 7 Class 12

The angle in semi-circle is equal to:

?/2

?

?/3

3?

30 / 100

Category: Math Ch 2 Class 12

a

b

c

d

31 / 100

Category: Math Ch 3 Class 12

a

b

c

d

32 / 100

Category: Math Ch 4

a

b

c

d

33 / 100

Category: Math Ch 4

10. Product of cube roots of -1 is:

0

-1

1

None

34 / 100

Category: Math Ch 2

In a proposition if ? → ? ???? ? → ? is called

Inverse of ? → ?

converse of ? → ?

contrapositive of ? → ?

None

35 / 100

Category: Math Ch 7 Class 12

If the cross product of two vectors is zero, then the vectors must be

Parallel

orthogonal

reciprocal

Non coplanar

36 / 100

Category: Math Ch 7 Class 12

The lines joining the mid-points of any two sides of a triangle is always _____to the third side.

Equal

Parallel

perpendicular

base

37 / 100

Category: Math Ch 3

A rectangular array of numbers enclosed by a square brackets is called:

Matrix

Row

Column

Determinant

38 / 100

Category: Math Ch 10

Angles associated with basic angles of measure ? to a right angle or its multiple are
called:

Coterminal angle

angle in standard position

Allied angle

obtuse angle

39 / 100

Category: Math Ch 3 Class 12

a

b

c

d

40 / 100

Category: Math Ch 3

. The multiplicative inverse of a matrix exist only if it is:

Singular

non singular

null matrix

any matrix of order ? ×n

41 / 100

Category: Math Ch 3

14. The matrix [?] is :

Square matrix

row matrix

column matrix

all of these

42 / 100

Category: Math Ch 3 Class 12

a

b

c

d

43 / 100

Category: Math Ch 9

Two rays with a common starting point form:

Triangle

Angle

Radian

Minute

44 / 100

Category: Math Ch 3 Class 12

∫?′(?)/?(?) ?? =

??? + ?

???(?) + ?

???′(?) + ?

?′(?)???(?) + c

45 / 100

Category: Math Ch 6 Class 12

a

b

c

d

46 / 100

Category: Math Ch 3

In echelon form of matrix, the first non zero entry is called:

Leading entry

first entry

preceding entry

Diagonal entry

47 / 100

Category: Math Ch 5 Class 12

(0,0) is satisfied by

? − ? < 10

2? + 5? > 10

? − ? ≥ 13

None

48 / 100

Category: Math Ch 8

a

b

c

d

49 / 100

Category: Math Ch 2 Class 12

a

b

c

d

50 / 100

Category: Math Ch 7

a

b

c

d

51 / 100

Category: Math Ch 3 Class 12

a

b

c

d

52 / 100

Category: Math

A compound proposition which is always true is called:

Tautology

contradiction

absurdity

contingency

53 / 100

Category: Math Ch 5 Class 12

a

b

c

d

54 / 100

Category: Math Ch 5 Class 12

Corner point is also called

Origin

Focus

Vertex

Test point

55 / 100

Category: Math Ch 2 Class 12

a

b

c

d

56 / 100

Category: Math Ch 7

a

b

c

d

57 / 100

Category: Math Ch 7 Class 12

a

b

c

d

58 / 100

Category: Math Ch 9

60th part of ?° is equal to

One second

One minute

1 Radian

? radian

59 / 100

Category: Math Ch 4 Class 12

If line ? intersects ? − ???? at a point (?, ?) , then the ? − ????????? of the line ? is:

-3

0

3

1/3

60 / 100

Category: Math Ch 4 Class 12

The straight line which passes through one vertex and though the mid-point of the opposite
side is called:

Median

altitude

perpendicular bisector

normal

61 / 100

Category: Math Ch 7

Non occurrence of an event E is denoted by:

∼ ?

Ē

E^c

All of these

62 / 100

Category: Math Ch 1 Class 12

a

b

c

d

63 / 100

Category: Math Ch 1 Class 12

. The graph of linear equation is always a

Straight line

parabola

circle

cube

64 / 100

Category: Math Ch 7 Class 12

Parallelogram law of vector addition to describe the combined action of two forces, was used
by

Cauchy

Aristotle

Alkhwarzmi

Leibnitz

65 / 100

Category: Math Ch 6 Class 12

The midpoint of the foci of the ellipse is its

Vertex

Centre

Directrix

None of these

66 / 100

Category: Math Ch 7

a

b

c

d

67 / 100

Category: Math Ch 7 Class 12

a

b

c

d

68 / 100

Category: Math Ch 1 Class 12

The quantity which is used as a variable as well as constant is called

Parameter

Constant

Real Number

None of these

69 / 100

Category: Math Ch 2 Class 12

a

b

c

d

70 / 100

Category: Math Ch 14

a

b

c

d

71 / 100

Category: Math Ch 1 Class 12

If the degree of a polynomial function is 1, then it is

Identity function

Constant function

Linear function

Exponential function

72 / 100

Category: Math Ch 7 Class 12

a

b

c

d

73 / 100

Category: Math Ch 13

a

b

c

d

74 / 100

Category: Math Ch 7

. The number of ways for sitting 4 persons in a train on a straight sofa is:

24

6

4

None of these.

75 / 100

Category: Math Ch 7 Class 12

a

b

c

d

76 / 100

Category: Math Ch 7 Class 12

a

b

c

d

77 / 100

Category: Math Ch 1 Class 12

a

b

c

d

78 / 100

Category: Math Ch 3 Class 12

a

b

c

d

79 / 100

Category: Math Ch 2 Class 12

a

b

c

d

80 / 100

Category: Math Ch 2

Total number of subsets that can be formed from the set {?, ?, ?} is

1

8

5

2

81 / 100

Category: Math

Squaring a number is a:

Unary operation

binary operation

relation

Function

82 / 100

Category: Math Ch 7 Class 12

The vector whose initial point is at the origin and terminal point is ? , is called

Null vector

unit vector

position vector

normal vector

83 / 100

Category: Math Ch 8

a

b

c

d

84 / 100

Category: Math Ch 3

. If a matrix of order ? × ? then the matrix of order ? × ? is :

Transpose of A

Inverse of A

Main diagonal of A

Adjoint of A

85 / 100

Category: Math Ch 4

9. Sum of all cube roots of 64 is :

0

1

64

-64

86 / 100

Category: Math Ch 3

For any two matrices A and B ,(? + ?)^? =

?^?.?^?

?^? + ?^?

?^? + ?^t

87 / 100

Category: Math Ch 11

a

b

c

d

88 / 100

Category: Math Ch 2

Every recurring non terminating decimal represents

?

?′

?

None

89 / 100

Category: Math Ch 4

90 / 100

Category: Math Ch 7

a

b

c

d

91 / 100

Category: Math Ch 12

When we look an object above the horizontal ray, the angle formed is called angle of:

Elevation

depression

incidence

reflects

92 / 100

Category: Math Ch 7 Class 12

a

b

c

d

93 / 100

Category: Math Ch 2 Class 12

a

b

c

d

94 / 100

Category: Math Ch 14

a

b

c

d

95 / 100

Category: Math Ch 6 Class 12

a

b

c

d

96 / 100

Category: Math Ch 4 Class 12

A line bisecting 2nd and 4th quadrants has inclination:

0°

45°

135°

∞

97 / 100

Category: Math Ch 7

How many signals can be given by 5 flags of different colors , using 3 at a time

120

60

24

15

98 / 100

Category: Math Ch 4

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

Additive inverse

Equal to

Conjugate

None of these

99 / 100

Category: Math Ch 8

The method of induction was given by Francesco who lived from:

1494-1575

1500-1575

1498-1575

1494-1570

100 / 100

Category: Math Ch 4 Class 12

The two intercepts form of the equation of the straight line is

? = ?? + ?

? − ?1 = ?(? − ?1)

?/?+?/?= 1

????? + ????? = p

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