Mathematics Practice Tests 3 - PLS Academy

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Created by Ali Durrani

NET Practice

Math Practice Test 3

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1 / 100

Category: Math Ch 3

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

Row vector

Column vector

square matrix

Rectangle matrix

2 / 100

Category: Math

An onto function is also called:

Injective

Surjective

Bijective

Inverse

3 / 100

Category: Math Ch 7

Let ? = {?, ?, ?, … , ??} the probability that a number is divided by 4 is :

2/5

1/5

1/10

1/2

4 / 100

Category: Math Ch 6

5 / 100

Category: Math Ch 8

6 / 100

Category: Math Ch 12

7 / 100

Category: Math Ch 9

8 / 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 ?(?)

9 / 100

Category: Math Ch 6

No term of a ?. ?., is:

negative

imaginary number<em>

10 / 100

Category: Math Ch 5 Class 12

Solution space consisting of all feasible solutions of system of linear in inequalities is called

Feasible solution

Optimal solution

Feasible region

General solution

11 / 100

Category: Math Ch 6 Class 12

The circle whose radius is zero is called:

Unit circle

point circle

circumcircle

in-circle

12 / 100

Category: Math Ch 7 Class 12

13 / 100

Category: Math Ch 12

14 / 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

15 / 100

Category: Math Ch 7 Class 12

16 / 100

Category: Math Ch 4

10. Product of cube roots of -1 is:

-1

None

17 / 100

Category: Math Ch 7 Class 12

18 / 100

Category: Math Ch 2 Class 12

19 / 100

Category: Math Ch 4 Class 12

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

? = ?? + ?

? − ?1 = ?(? − ?1)

?/?+?/?= 1

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

20 / 100

Category: Math Ch 6

2. A sequence is also known as:

Real sequence

Progression

Arrangement

Complex sequence

21 / 100

Category: Math Ch 4

22 / 100

Category: Math Ch 4

Basic techniques for solving quadratic equations are

23 / 100

Category: Math Ch 12

24 / 100

Category: Math Ch 3 Class 12

25 / 100

Category: Math Ch 4

Product of cube roots of -1 is:

-1

None

26 / 100

Category: Math Ch 3 Class 12

27 / 100

Category: Math Ch 6

28 / 100

Category: Math Ch 8

29 / 100

Category: Math Ch 3

30 / 100

Category: Math Ch 3 Class 12

31 / 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

32 / 100

Category: Math Ch 4

The equations involving redical expressions of the variable are called:

Reciprocal equations

Redical equations

Quadratic functions

exponential equations

33 / 100

Category: Math Ch 6

34 / 100

Category: Math Ch 3 Class 12

35 / 100

Category: Math Ch 14

36 / 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

37 / 100

Category: Math Ch 9

3 radian is:

171.888°

120°

300°

270°

38 / 100

Category: Math Ch 3 Class 12

∫???+?? =

???? + ?

tan^−1 +?

???? + ?

cot−1 x

39 / 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

40 / 100

Category: Math Ch 4 Class 12

41 / 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

42 / 100

Category: Math Ch 7

43 / 100

Category: Math Ch 10

44 / 100

Category: Math Ch 7 Class 12

45 / 100

Category: Math Ch 3

The horizontal lines of numbers in a matrix are called:

Columns

Rows

Column matrix

Row matrix

46 / 100

Category: Math Ch 10

47 / 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

48 / 100

Category: Math Ch 3 Class 12

49 / 100

Category: Math

Every function is:

Relation

inverse function

one to one

none of these

50 / 100

Category: Math Ch 8

51 / 100

Category: Math Ch 6 Class 12

Two conics always intersect each other in ______ points

one

two

four

52 / 100

Category: Math Ch 10

53 / 100

Category: Math Ch 12

Which can be reduced to Pythagoras theorem,

Law of sine

law of cosine

law of tangents

Half angle formulas

54 / 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

55 / 100

Category: Math Ch 5 Class 12

If the line segment obtained by joining any two points of a region lies entirely within the
region , then the region is called

Feasible region

Convex region

Solution region

Concave region

56 / 100

Category: Math Ch 5

(? + ?)(? + ?) = ?^? + ?? + ?? is a/an:

Conditional equation

an identity

proper rational fraction

a formula

57 / 100

Category: Math Ch 9

The system of angular measurement in which the angle is measured in radian is called:

Sexagesimal System

Circular System

English System

Gradient System

58 / 100

Category: Math Ch 7

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

None of these.

59 / 100

Category: Math Ch 4 Class 12

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

?/?

–?/?

?/?

–?/a

60 / 100

Category: Math Ch 4

Degree of quadratic equation is:

61 / 100

Category: Math Ch 5

62 / 100

Category: Math Ch 8

63 / 100

Category: Math Ch 6

64 / 100

Category: Math Ch 5 Class 12

The graph of a linear equation of the form ?? + ?? = ? is a line which divides the whole
plane into ______ disjoints parts.

Two

four

more than four

infinitely many

65 / 100

Category: Math Ch 14

66 / 100

Category: Math Ch 13

67 / 100

Category: Math

Inverse of any element of a group is:

Not unique

unique

has many inverses

none of these

68 / 100

Category: Math Ch 9

1° is equal to

360′′

3600′′

( 1 /360 )′

60′′

69 / 100

Category: Math Ch 3

8. If a matrix A has only one column then it is called:

Row vector

Column vector

square matrix

Rectangle matrix

70 / 100

Category: Math Ch 4

Sum of all cube roots of 64 is :

-64

71 / 100

Category: Math Ch 3 Class 12

72 / 100

Category: Math Ch 7

73 / 100

Category: Math Ch 5 Class 12

74 / 100

Category: Math Ch 2 Class 12

75 / 100

Category: Math Ch 14

76 / 100

Category: Math Ch 5 Class 12

For feasible region:

? ≥ 0, ? ≥ 0

? ≥ 0, ? ≤ 0

? ≤ 0, ? ≥ 0

? ≤ 0, ? ≤ 0

77 / 100

Category: Math Ch 7 Class 12

Cross product or vector product is defined

In plane only

in space only

everywhere

in vector field

78 / 100

Category: Math Ch 3

79 / 100

Category: Math Ch 6

80 / 100

Category: Math Ch 4 Class 12

81 / 100

Category: Math Ch 2

Inverse of any element of a group is:

Not unique

unique

has many inverses

none of these

82 / 100

Category: Math Ch 9

The angle subtended at the center of a circle by an arc whose length is equal to the radius of
the circle is called:

1 Degree

1’

1 Radian

1’’

83 / 100

Category: Math Ch 13

84 / 100

Category: Math Ch 4

Solution set of the equation ?^? − ?? + ? = ? is:

{2, −2}

{2}

{−2}

{4, −4}

85 / 100

Category: Math Ch 14

An equation containing at least one trigonometric function is called:

Trigonometric function

Trigonometric equation

Trigonometric value

None

86 / 100

Category: Math Ch 5

The quotient of two polynomials ?(?)/?(?), ?(?) ≠ ? is called :

Rational fraction

Irrational fraction

Partial fraction

Proper fraction

87 / 100

Category: Math Ch 6

4. As sequence whose range is ? ?. ?., set of real numbers is called:

Real sequence

Imaginary sequence

Natural sequence

Complex sequence

88 / 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

89 / 100

Category: Math Ch 2 Class 12

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

−9/2

−9/4

-1

90 / 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

91 / 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

92 / 100

Category: Math Ch 4

If product of all cube roots of unity is equal to ?^? + ? , then ? is equal to:

−1

±?

93 / 100

Category: Math Ch 4

94 / 100

Category: Math Ch 6 Class 12

95 / 100

Category: Math Ch 3 Class 12

96 / 100

Category: Math Ch 7 Class 12

97 / 100

Category: Math Ch 4

The sum of all four fourth roots of 16 is:

-16

98 / 100

Category: Math Ch 7 Class 12

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

Parallel

orthogonal

reciprocal

equal

99 / 100

Category: Math Ch 13

100 / 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

Your score is

The average score is 54%

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