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 horizontal lines of numbers in a matrix are called:

Columns

Rows

Column matrix

Row matrix

2 / 100

Category: Math Ch 2 Class 12

3 / 100

Category: Math Ch 3 Class 12

4 / 100

Category: Math Ch 14

5 / 100

Category: Math Ch 5 Class 12

An inequality with one or two variables has ________ solutions.

One

two

three

infinitely many

6 / 100

Category: Math Ch 4

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

{2, −2}

{2}

{−2}

{4, −4}

7 / 100

Category: Math Ch 6 Class 12

The circle whose radius is zero is called:

Unit circle

point circle

circumcircle

in-circle

8 / 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

9 / 100

Category: Math Ch 3 Class 12

10 / 100

Category: Math Ch 7 Class 12

11 / 100

Category: Math Ch 3 Class 12

12 / 100

Category: Math Ch 7 Class 12

13 / 100

Category: Math Ch 1

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

??/??

??/?

??/b

14 / 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

15 / 100

Category: Math Ch 7

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

120

16 / 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

17 / 100

Category: Math Ch 9

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

180°

270°

360°

90°

18 / 100

Category: Math Ch 3 Class 12

To determine the area under the curve by the use of integration , the idea was given by

Newton

Archimedes

Leibnitz

Taylor

19 / 100

Category: Math Ch 4 Class 12

20 / 100

Category: Math Ch 4

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

−1

±?

21 / 100

Category: Math Ch 14

22 / 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?

23 / 100

Category: Math Ch 4 Class 12

If all the sides of four sided polygon are equal but the four angles are not equal to ??° each
then it is a

Kite

rhombus

||gram

trapezoid

24 / 100

Category: Math Ch 2 Class 12

25 / 100

Category: Math Ch 3 Class 12

26 / 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

27 / 100

Category: Math Ch 3 Class 12

28 / 100

Category: Math Ch 14

29 / 100

Category: Math Ch 5 Class 12

The feasible solution which maximizes or minimizes the objective function is called

Exact solution

optimal solution

final solution

objective function

30 / 100

Category: Math Ch 7 Class 12

31 / 100

Category: Math Ch 3

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

?^?.?^?

?^? + ?^?

?^? + ?^t

32 / 100

Category: Math Ch 6 Class 12

33 / 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

34 / 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

35 / 100

Category: Math Ch 5 Class 12

The number of variables in ?? + ?? ≤ ? are

36 / 100

Category: Math Ch 13

37 / 100

Category: Math Ch 13

38 / 100

Category: Math Ch 1 Class 12

39 / 100

Category: Math Ch 14

An equation containing at least one trigonometric function is called:

Trigonometric function

Trigonometric equation

Trigonometric value

None

40 / 100

Category: Math Ch 6

The sum of terms of a sequence is called:

Partial sum

Series

Finite sum

none of these

41 / 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

42 / 100

Category: Math Ch 12

43 / 100

Category: Math Ch 4 Class 12

The centroid of a triangle divides each median in the ration of

2:1

1:2

1:1

None of these

44 / 100

Category: Math Ch 7 Class 12

45 / 100

Category: Math Ch 3

46 / 100

Category: Math Ch 13

47 / 100

Category: Math Ch 7 Class 12

The vector whose magnitude is 1 is called

Null vector

unit vector

free vector

scalar

48 / 100

Category: Math Ch 2 Class 12

49 / 100

Category: Math Ch 3 Class 12

50 / 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

51 / 100

Category: Math Ch 7 Class 12

52 / 100

Category: Math Ch 5 Class 12

(0,0) is satisfied by

? − ? < 10

2? + 5? > 10

? − ? ≥ 13

None

53 / 100

Category: Math Ch 3

54 / 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

55 / 100

Category: Math Ch 7 Class 12

56 / 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

57 / 100

Category: Math Ch 9

One right angle is equal to

?/2 ??????

90°

1/4 ????????

All of these

58 / 100

Category: Math Ch 7 Class 12

59 / 100

Category: Math Ch 7 Class 12

The angle in semi-circle is equal to:

?/2

?/3

60 / 100

Category: Math Ch 7 Class 12

The vector whose magnitude is 1 is called

Null vector

unit vector

free vector

scalar

61 / 100

Category: Math Ch 3 Class 12

62 / 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

63 / 100

Category: Math Ch 7 Class 12

64 / 100

Category: Math Ch 9

If the rotation of the angle is counter clock wise, then angle is:

Negative

Positive

Non-Negative

None of these

65 / 100

Category: Math Ch 3 Class 12

66 / 100

Category: Math Ch 4

67 / 100

Category: Math Ch 3 Class 12

∫ ?^?(?). ?′(?)?? =

???(?) + ?

?^?(?) + ?

???′(?) + ?

?^?(?) + c

68 / 100

Category: Math Ch 14

69 / 100

Category: Math Ch 14

70 / 100

Category: Math Ch 7 Class 12

71 / 100

Category: Math Ch 7

72 / 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

73 / 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

74 / 100

Category: Math Ch 7 Class 12

75 / 100

Category: Math Ch 1 Class 12

76 / 100

Category: Math Ch 7

77 / 100

Category: Math Ch 6 Class 12

In the cases of ellipse it is always true that:

?2 > ?2

?2 < ?2

?2 = ?2

? < 0, ? < 0

78 / 100

Category: Math Ch 13

79 / 100

Category: Math Ch 11

80 / 100

Category: Math Ch 9

1° is equal to

360′′

3600′′

( 1 /360 )′

60′′

81 / 100

Category: Math Ch 2 Class 12

82 / 100

Category: Math

Inverse of any element of a group is:

Not unique

unique

has many inverses

none of these

83 / 100

Category: Math Ch 7 Class 12

84 / 100

Category: Math Ch 3

85 / 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

86 / 100

Category: Math Ch 3 Class 12

87 / 100

Category: Math Ch 7 Class 12

88 / 100

Category: Math Ch 14

89 / 100

Category: Math Ch 14

90 / 100

Category: Math Ch 2

Identity element in (?, . ) is:

(0,0)

(0,1)

(1,0)

(1,1)

91 / 100

Category: Math Ch 6

92 / 100

Category: Math Ch 3 Class 12

?? ? > 0 ??? ? ≠ 1 ?ℎ?? , ∫ ?^??? =

?^ ? + ?

?^ ? ??? + ?

?^ ? /??? + ?

?^ (?+1) /?+1 + ?

93 / 100

Category: Math Ch 8

94 / 100

Category: Math Ch 9

95 / 100

Category: Math Ch 8

96 / 100

Category: Math Ch 7

97 / 100

Category: Math Ch 3 Class 12

98 / 100

Category: Math Ch 5

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

−3/2

3/2

1/3

99 / 100

Category: Math Ch 5

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

Equation

Formula

Rational fraction

Theorem

100 / 100

Category: Math Ch 3

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The average score is 55%

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