Mathematics Practice Tests 5 - PLS Academy

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Created by Ali Durrani

NET Practice

Math Practice Test 5

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1 / 100

Category: Math

Squaring a number is a:

Unary operation

binary operation

relation

Function

2 / 100

Category: Math Ch 4

3 / 100

Category: Math Ch 9

??°??′ equal to

16.5°

32°/2

16.05°

16.2°

4 / 100

Category: Math Ch 4

The sum of all four fourth roots of 16 is:

-16

5 / 100

Category: Math Ch 2 Class 12

6 / 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

7 / 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

8 / 100

Category: Math Ch 7 Class 12

9 / 100

Category: Math Ch 5 Class 12

The graph of the inequality ?? + ?? ≥ ? is _____ side of line ?? + ?? = ?

Origin side

non-origin side

upper

left

10 / 100

Category: Math Ch 4 Class 12

The point where the angle bisectors of a triangle intersect is called_________ of the triangle.

Centroid

in centre

orthocenter

circumference

11 / 100

Category: Math Ch 6

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

Sequence

Combination

Series

Permutation

12 / 100

Category: Math Ch 5 Class 12

13 / 100

Category: Math Ch 4

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

Reciprocal equations

Redical equations

Quadratic functions

exponential equations

14 / 100

Category: Math

An onto function is also called:

Injective

Surjective

Bijective

Inverse

15 / 100

Category: Math Ch 3 Class 12

16 / 100

Category: Math Ch 4

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

Multiplicative inverse

reciprocal

square

None of these

17 / 100

Category: Math Ch 9

Relation between the length of arc of a circle and the circular measure of it central angle is:

? = ? ?

? = ??

? = ?/ ?

? = 1 /2 ? ^ 2?

18 / 100

Category: Math Ch 6 Class 12

. Circle is the special case of :

Parabola

Hyperbola

Ellipse

None of these

19 / 100

Category: Math Ch 4 Class 12

The point P in the plane that corresponds to the ordered pair (?, ?) is called:

????ℎ ?? (?, ?)

mid-point of ?, ?

???????? ?? ?, ?

ordinate of ?,

20 / 100

Category: Math Ch 4

10. Product of cube roots of -1 is:

-1

None

21 / 100

Category: Math Ch 8

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

1494-1575

1500-1575

1498-1575

1494-1570

22 / 100

Category: Math Ch 8

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

1494-1575

1500-1575

1498-1575

1494-1570

23 / 100

Category: Math Ch 3 Class 12

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

more than 2

24 / 100

Category: Math Ch 7 Class 12

25 / 100

Category: Math Ch 2

A diagram which represents a set is called______

Venn’s

Argand

Plane

None

26 / 100

Category: Math Ch 3

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

Matrix

Row

Column

Determinant

27 / 100

Category: Math Ch 6

No term of a ?. ?., is:

negative

imaginary number<em>

28 / 100

Category: Math Ch 6

The last term of an infinite sequence is called :

??ℎ term

last term

does not exist

29 / 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

30 / 100

Category: Math Ch 3

12. For a square matrix ? = [???]if all ??? = ?, ? ≠ ? and all ??? = ?(??? − ????) for ? = ? then
A is called:

Diagonal matrix

Scalar Matrix

Null matrix

None

31 / 100

Category: Math Ch 4 Class 12

32 / 100

Category: Math Ch 2

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

Inverse of ? → ?

converse of ? → ?

contrapositive of ? → ?

None

33 / 100

Category: Math Ch 5

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

−3/2

3/2

1/3

34 / 100

Category: Math Ch 7 Class 12

35 / 100

Category: Math Ch 3

If a matrix A has only one row then it is called:

Row vector

Column vector

square matrix

Rectangle matrix

36 / 100

Category: Math Ch 6 Class 12

The foci of hyperbola always lie on :

? − ????

?????????? ???s

? − ????

Conjugate axis

37 / 100

Category: Math Ch 5 Class 12

The solution of ?? + ? < ? is

Closed half plane

open half plane

circle

parabola

38 / 100

Category: Math Ch 7 Class 12

39 / 100

Category: Math Ch 9

40 / 100

Category: Math Ch 12

41 / 100

Category: Math Ch 14

42 / 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

43 / 100

Category: Math Ch 7

Probability of non-occurrence of an event E is equal to :

1 − ?(?)

?(?) + ?(? ?(?)

?(?)/ ?(?)

1 + ?(?)

44 / 100

Category: Math Ch 7

16. Four persons wants to sit in a circular sofa, the total ways are:

None of thes

45 / 100

Category: Math Ch 7 Class 12

46 / 100

Category: Math Ch 9

Sexagesimal system is also called

German System

English System

C.G.S System

SI System

47 / 100

Category: Math Ch 3 Class 12

48 / 100

Category: Math Ch 7 Class 12

49 / 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

50 / 100

Category: Math Ch 7 Class 12

51 / 100

Category: Math Ch 6

The sum of terms of a sequence is called:

Partial sum

Series

Finite sum

none of these

52 / 100

Category: Math Ch 9

Two rays with a common starting point form:

Triangle

Angle

Radian

Minute

53 / 100

Category: Math Ch 14

11. All trigonometric functions are ……………….. functions.

Periodic

continues

injective

bijective

54 / 100

Category: Math Ch 14

55 / 100

Category: Math Ch 3

Let A be a matrix and ? is an integer then ? + ? + ? + ⋯ to ? terms

? + ?

? − ?

?^?

56 / 100

Category: Math Ch 9

Straight line angle is equal to

1/2 ????????

? radian

180°

All of these

57 / 100

Category: Math Ch 3

6. A matrix A is called real if all ??? are

Real numbers

complex numbers

58 / 100

Category: Math Ch 11

The graph of trigonometric functions have:

Break segments

Sharp corners

Straight line segments

smooth curves

59 / 100

Category: Math Ch 6

60 / 100

Category: Math Ch 7

61 / 100

Category: Math Ch 12

When we look an object below the horizontal ray, the angle formed is called angle of:
(a) Elevation (b) ✔ depression (c) incidence (d) reflects

Elevation

depression

incidence

reflects

62 / 100

Category: Math Ch 3

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

?^?.?^?

?^? + ?^?

63 / 100

Category: Math Ch 6 Class 12

64 / 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

65 / 100

Category: Math Ch 7 Class 12

66 / 100

Category: Math Ch 7 Class 12

67 / 100

Category: Math Ch 12

68 / 100

Category: Math Ch 3 Class 12

69 / 100

Category: Math Ch 3

Which of the property does not hold matrix multiplication?

Associative

Commutative

Closure

Inverse

70 / 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

71 / 100

Category: Math Ch 9

Conversion of ??. ???° to ?°?′?′′ form is:

21°25’6’’

21°40′27′′

21°15′22′′

21°30′2′′

72 / 100

Category: Math Ch 9

60th part of ?° is equal to

One second

One minute

1 Radian

? radian

73 / 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

74 / 100

Category: Math Ch 1 Class 12

. The graph of linear equation is always a

Straight line

parabola

circle

cube

75 / 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

76 / 100

Category: Math Ch 6 Class 12

The line perpendicular to the tangent at any point ?(?, ?) is known as;

Tangent line

Normal at ?

Slope of tangent

None of these

77 / 100

Category: Math Ch 5

Which is a reducible factor:

?^3 − 6?^2 + 8?

?^2 + 16?

?^2 + 5? − 6

all of these

78 / 100

Category: Math

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

79 / 100

Category: Math Ch 12

80 / 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

81 / 100

Category: Math Ch 4 Class 12

Equation of vertical line through (−?, ?) is

) ? − 5 = 0

? + 5 = 0

? − 3 = 0

? + 3 = 0

82 / 100

Category: Math Ch 7 Class 12

83 / 100

Category: Math Ch 2 Class 12

84 / 100

Category: Math Ch 12

The circle passing through the thee vertices of a triangle is called:

Circum circle

in-circle

ex-centre

escribed circle

85 / 100

Category: Math Ch 3 Class 12

86 / 100

Category: Math Ch 7 Class 12

Which of the following can be the direction angles of some vector

45°, 45°, 60°

30°, 45°, 60°

45°, 60°, 60°

obtuse

87 / 100

Category: Math Ch 6 Class 12

The circle whose radius is 1 is called:

Unit circle

point circle

circumcircle

in-circle

88 / 100

Category: Math Ch 13

89 / 100

Category: Math Ch 3 Class 12

90 / 100

Category: Math Ch 3 Class 12

∫???+?? =

???? + ?

tan^−1 +?

???? + ?

cot−1 x

91 / 100

Category: Math Ch 8

92 / 100

Category: Math Ch 4

93 / 100

Category: Math Ch 6 Class 12

94 / 100

Category: Math Ch 8

95 / 100

Category: Math Ch 12

96 / 100

Category: Math

A diagram which represents a set is called______

Venn’s

Argand

Plane

None

97 / 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

98 / 100

Category: Math Ch 3

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

Matrix

Row

Column

Determinant

99 / 100

Category: Math Ch 4 Class 12

The point P in the plane that corresponds to the ordered pair (?, ?) is called:

????ℎ ?? (?, ?)

mid-point of ?, ?

???????? ?? ?, ?

ordinate of ?, y

100 / 100

Category: Math Ch 3 Class 12

Your score is

The average score is 53%

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