Mathematics Practice Tests 4 - PLS Academy

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Created by Ali Durrani

NET Practice

Math Practice Test 4

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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 Ch 3 Class 12

3 / 100

Category: Math Ch 8

4 / 100

Category: Math Ch 6 Class 12

Standard equation of Parabola is :

?2 = 4?

?2 + ?2 = ?2

?2 = 4??

? = ??

5 / 100

Category: Math Ch 12

6 / 100

Category: Math

The product of two conjugate complex numbers is

A real number

an imaginary number

may be an irrational number

not defined

7 / 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

8 / 100

Category: Math Ch 6

9 / 100

Category: Math Ch 4 Class 12

10 / 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

11 / 100

Category: Math Ch 2 Class 12

12 / 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

13 / 100

Category: Math Ch 7 Class 12

14 / 100

Category: Math Ch 1 Class 12

15 / 100

Category: Math Ch 9

Sexagesimal system is also called

German System

English System

C.G.S System

SI System

16 / 100

Category: Math Ch 7 Class 12

17 / 100

Category: Math Ch 13

18 / 100

Category: Math Ch 6

19 / 100

Category: Math Ch 4 Class 12

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

Centroid

centre

orthocenter

circumference

20 / 100

Category: Math Ch 1 Class 12

21 / 100

Category: Math Ch 7 Class 12

22 / 100

Category: Math Ch 5

An open sentence formed by using sign of “ = ” is called a/an

Equation

Formula

Rational fraction

Theorem

23 / 100

Category: Math Ch 5 Class 12

An inequality with one or two variables has ________ solutions.

One

two

three

infinitely many

24 / 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

25 / 100

Category: Math Ch 7 Class 12

26 / 100

Category: Math Ch 3

13. For a square matrix ? = [???]if all ??? = ?, ? ≠ ? and at least ??? ≠ ?, ? = ? then A is called:

Diagonal matrix

Scalar Matrix

None

Null matrix

27 / 100

Category: Math Ch 5

When a rational fraction is separated into partial fractions, then result is always :

A conditional equations

an identity

a partial fraction

an improper fraction

28 / 100

Category: Math Ch 3 Class 12

29 / 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

30 / 100

Category: Math Ch 7

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

120

31 / 100

Category: Math Ch 2

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

Inverse of ? → ?

converse of ? → ?

contrapositive of ? → ?

None

32 / 100

Category: Math Ch 5 Class 12

For feasible region:

? ≥ 0, ? ≥ 0

? ≥ 0, ? ≤ 0

? ≤ 0, ? ≥ 0

? ≤ 0, ? ≤ 0

33 / 100

Category: Math Ch 6

34 / 100

Category: Math Ch 6

35 / 100

Category: Math Ch 7

Sample space for tossing a coin is:

{?}

{?, ?}

36 / 100

Category: Math Ch 9

Sexagesimal system is also called

German System

English System

C.G.S System

SI System

37 / 100

Category: Math Ch 1 Class 12

A function is said to be continuous at ? = ? if

lim?→? ?(?) exists

?(?)is defined

lim?→? ?(?) = ?(?)

All of these

38 / 100

Category: Math Ch 1 Class 12

The inverse of a function exists only if it is

an into function

an onto function

(1-1) and into function

None of these

39 / 100

Category: Math Ch 1

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

??/??

??/?

??/b

40 / 100

Category: Math Ch 9

Angles with same initial and terminal sides are called:

Acute angles

Allied Angles

Coterminal angles

Quadrentel angles

41 / 100

Category: Math Ch 7 Class 12

42 / 100

Category: Math Ch 6

If sum of series is defined then it is called:

Convergent series

Divergent series

finite series

Geometric series

43 / 100

Category: Math Ch 7

If an event always occurs , then it is called:

Null Event

Possible Event

Certain event

Independent Event

44 / 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

45 / 100

Category: Math Ch 2 Class 12

46 / 100

Category: Math Ch 3

In a homogeneous system of linear equations , the solution (0,0,0) is:

Trivial solution

non trivial solution

exact solution

anti symmetric

47 / 100

Category: Math Ch 2 Class 12

48 / 100

Category: Math Ch 4

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

Additive inverse

Equal to

Conjugate

None of these

49 / 100

Category: Math Ch 4

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

Additive inverse

Equal to

Conjugate

None of these

50 / 100

Category: Math Ch 14

51 / 100

Category: Math Ch 3 Class 12

52 / 100

Category: Math Ch 9

53 / 100

Category: Math Ch 2 Class 12

54 / 100

Category: Math Ch 13

55 / 100

Category: Math Ch 10

56 / 100

Category: Math Ch 4 Class 12

57 / 100

Category: Math Ch 5 Class 12

The point where two boundary lines of a shaded region intersect is called _____ point.

Boundary

corner

stationary

feasible

58 / 100

Category: Math Ch 6

59 / 100

Category: Math Ch 5

If an equation is true for all values of the variable, then it is called:

a conditional equation

an identity

proper rational fraction

All of these

60 / 100

Category: Math

An onto function is also called:

Injective

Surjective

Bijective

Inverse

61 / 100

Category: Math Ch 3 Class 12

62 / 100

Category: Math Ch 14

63 / 100

Category: Math Ch 9

Straight line angle is equal to

1/2 ????????

? radian

180°

All of these

64 / 100

Category: Math Ch 4

65 / 100

Category: Math Ch 7 Class 12

. If the scalar product of three vectors is zero, then vectors are

Collinear

coplanar

non coplanar

non-collinear

66 / 100

Category: Math Ch 13

67 / 100

Category: Math Ch 13

68 / 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

69 / 100

Category: Math Ch 2 Class 12

70 / 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

71 / 100

Category: Math Ch 7

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

None of these.

72 / 100

Category: Math Ch 6 Class 12

A type of the conic that has eccentricity greater than 1 is

An ellipse

A parabola

A hyperbola

A circle

73 / 100

Category: Math Ch 6

The sum of infinite geometric series is valid if

|?| > 1

|?| = 1

|?| ≥ 1

|?| < 1

74 / 100

Category: Math Ch 5 Class 12

75 / 100

Category: Math

. Truth set of a tautology is

Universal set

True

False

76 / 100

Category: Math Ch 2

Which of the following is true:

? ⊂ ?

all of these

77 / 100

Category: Math Ch 6 Class 12

78 / 100

Category: Math Ch 9

??°??′ equal to

16.5°

32°/2

16.05°

16.2°

79 / 100

Category: Math Ch 3

Which of the following Sets is not a field.

80 / 100

Category: Math Ch 13

81 / 100

Category: Math Ch 4 Class 12

82 / 100

Category: Math Ch 7 Class 12

A point P in space has __________ coordinates.

infinitely many

83 / 100

Category: Math Ch 4

7. The equations involving redical expressions of the variable are called:

Reciprocal equations

Redical equations

Quadratic functions

exponential equations

84 / 100

Category: Math Ch 6 Class 12

85 / 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

86 / 100

Category: Math Ch 2 Class 12

87 / 100

Category: Math Ch 6

88 / 100

Category: Math Ch 3 Class 12

89 / 100

Category: Math Ch 6

An arrangement of numbers according to some definite rule is called:

Sequence

Combination

Series

Permutation

90 / 100

Category: Math Ch 13

91 / 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

92 / 100

Category: Math Ch 6

The sum of terms of a sequence is called:

Partial sum

Series

Finite sum

none of these

93 / 100

Category: Math Ch 5

A mixed form of fraction is :

An integer+ improper fraction

a polynomial+improper fraction

a polynomial+proper fraction

a polynomial+rational fraction

94 / 100

Category: Math Ch 3 Class 12

95 / 100

Category: Math Ch 3

Which of the property does not hold matrix multiplication?

Associative

Commutative

Closure

Inverse

96 / 100

Category: Math Ch 5

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

−3/2

3/2

1/3

97 / 100

Category: Math Ch 14

98 / 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 ?(?)

99 / 100

Category: Math Ch 2 Class 12

100 / 100

Category: Math Ch 7

Your score is

The average score is 55%

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