Mathematics Practice Tests 5

Created by Ali Durrani

NET Practice

Math Practice Test 5

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1 / 100

Category: Math Ch 7 Class 12

a

b

c

d

2 / 100

Category: Math

A recurring decimal represents_____

Real number

Natural number

Rational number

None of these

3 / 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

4 / 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

5 / 100

Category: Math Ch 3

9. If a matrix A has same number of rows and columns then A is called:

Row vector

Column vector

square matrix

Rectangular matrix

6 / 100

Category: Math Ch 7 Class 12

a

b

c

d

7 / 100

Category: Math Ch 3 Class 12

a

b

c

d

8 / 100

Category: Math Ch 6

The sum of terms of a sequence is called:

Partial sum

Series

Finite sum

none of these

9 / 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

10 / 100

Category: Math

Every function is:

Relation

inverse function

one to one

none of these

11 / 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

12 / 100

Category: Math Ch 12

a

b

c

d

13 / 100

Category: Math Ch 5 Class 12

a

b

c

d

14 / 100

Category: Math Ch 7 Class 12

a

b

c

d

15 / 100

Category: Math Ch 5

Which is a reducible factor:

?^3 − 6?^2 + 8?

?^2 + 16?

?^2 + 5? − 6

all of these

16 / 100

Category: Math Ch 3

53. The inverse of unit matrix is:

Unit

Singular

Skew Symmetri

rectangular

17 / 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

18 / 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

19 / 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

20 / 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

21 / 100

Category: Math Ch 13

a

b

c

d

22 / 100

Category: Math Ch 1 Class 12

If a graph express a function , then a vertical line must cut the graph at

One point only

Two points

More than one point

No point

23 / 100

Category: Math Ch 3

14. The matrix [?] is :

Square matrix

row matrix

column matrix

all of these

24 / 100

Category: Math

Every recurring decimal is

a rational number

an irrational number

a prime number

a whole number

25 / 100

Category: Math Ch 3 Class 12

a

b

c

d

26 / 100

Category: Math Ch 10

a

b

c

d

27 / 100

Category: Math Ch 5 Class 12

If ? > ? then

– ? > −?

– ? < ?

? < ?

– ? < −b

28 / 100

Category: Math Ch 2 Class 12

a

b

c

d

29 / 100

Category: Math Ch 3 Class 12

a

b

c

d

30 / 100

Category: Math Ch 9

One right angle is equal to

?/2 ??????

90°

1/4 ????????

All of these

31 / 100

Category: Math Ch 4

The equations involving redical expressions of the variable are called:

Reciprocal equations

Redical equations

Quadratic functions

exponential equations

32 / 100

Category: Math Ch 2 Class 12

a

b

c

d

33 / 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

34 / 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

35 / 100

Category: Math Ch 9

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

21°25’6’’

21°40′27′′

21°15′22′′

21°30′2′′

36 / 100

Category: Math Ch 4 Class 12

a

b

c

d

37 / 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

38 / 100

Category: Math Ch 6 Class 12

Two conics always intersect each other in ______ points

No

one

two

four

39 / 100

Category: Math Ch 4

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

Additive inverse

equal to

square of

None of these

40 / 100

Category: Math Ch 7 Class 12

A point P in space has __________ coordinates.

1

2

3

infinitely many

41 / 100

Category: Math

Which of the following is not a binary operation :

+

×

√

–

42 / 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

43 / 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

44 / 100

Category: Math Ch 4 Class 12

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

0°

45°

135°

∞

45 / 100

Category: Math Ch 14

12. General solution of every trigonometric equation consists of :

One solution only

two solutions

infinitely many solutions

no real solution

46 / 100

Category: Math Ch 9

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

180°

270°

360°

90°

47 / 100

Category: Math Ch 12

A triangle which is not right is called:

Oblique triangle

Isosceles triangle

Scalene triangle

Right isosceles

48 / 100

Category: Math Ch 1

The multiplicative identity of complex number is

(0,0)

(0,1)

(1,0)

(1,1)

49 / 100

Category: Math Ch 1 Class 12

a

b

c

d

50 / 100

Category: Math Ch 4 Class 12

a

b

c

d

51 / 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

52 / 100

Category: Math Ch 4 Class 12

If the equations of the sides of a triangle are given then the intersection of any two lines in
pairs gives ________ the triangles.

Vertices

centre

mid-points of sides

centriod

53 / 100

Category: Math Ch 6 Class 12

The circle whose radius is 1 is called:

Unit circle

point circle

circumcircle

in-circle

54 / 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

55 / 100

Category: Math Ch 14

For the general solution , we first find the solution in the interval whose length is equal to
its:

Range

domain

co-domain

period

56 / 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

57 / 100

Category: Math Ch 14

a

b

c

d

58 / 100

Category: Math Ch 3 Class 12

a

b

c

d

59 / 100

Category: Math Ch 12

a

b

c

d

60 / 100

Category: Math Ch 12

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

Elevation

depression

incidence

reflects

61 / 100

Category: Math Ch 1 Class 12

a

b

c

d

62 / 100

Category: Math Ch 5 Class 12

a

b

c

d

63 / 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

64 / 100

Category: Math

A compound proposition which is always true is called:

Tautology

contradiction

absurdity

contingency

65 / 100

Category: Math Ch 5

a

b

c

d

66 / 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

67 / 100

Category: Math Ch 6 Class 12

a

b

c

d

68 / 100

Category: Math Ch 2 Class 12

A stationary point is called ______ if it is either a maximum point or a minimum point

Stationary point

turning point

critical point

point of inflexion

69 / 100

Category: Math Ch 7 Class 12

a

b

c

d

70 / 100

Category: Math Ch 12

a

b

c

d

71 / 100

Category: Math Ch 3 Class 12

a

b

c

d

72 / 100

Category: Math Ch 6

a

b

c

d

73 / 100

Category: Math Ch 13

a

b

c

d

74 / 100

Category: Math Ch 1

The numbers which can be written in the form of ?/? , ?, ? ∈ ? , ? ≠ ? are :

Rational number

Irrational number

Complex number

Whole number

75 / 100

Category: Math Ch 3

Any matrix A is called singular if:

|?| = 0

|?| ≠ 0

? ^? = ?

??^−1 = ?

76 / 100

Category: Math Ch 6 Class 12

For any parabola in the standard form , if the directrix is ? = ? , then its equation is

?2 = 4??

?2 = −4??

?2 = 4??

2 = −4?y

77 / 100

Category: Math Ch 5

a

b

c

d

78 / 100

Category: Math Ch 5 Class 12

Corner point is also called

Origin

Focus

Vertex

Test point

79 / 100

Category: Math Ch 1 Class 12

The domain and range of identity function , ?: ? → ? is

?

+iv real numbers

–iv real numbers

integers

80 / 100

Category: Math Ch 4 Class 12

Line passes through the point of intersection of two line ?? and ?? is

?1?1 = ?2?2

?1 + ??2 = 0

?1 + ??2 = 1

None

81 / 100

Category: Math Ch 7 Class 12

a

b

c

d

82 / 100

Category: Math

The symbol which is used to denote negation of a proposition is

~

→

∧

∨

83 / 100

Category: Math Ch 12

a

b

c

d

84 / 100

Category: Math Ch 3 Class 12

a

b

c

d

85 / 100

Category: Math Ch 4 Class 12

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

?/?

–?/?

?/?

–?/a

86 / 100

Category: Math Ch 14

General solution of every trigonometric equation consists of :

One solution only

two solutions

infinitely many solutions

no real solution

87 / 100

Category: Math Ch 3 Class 12

a

b

c

d

88 / 100

Category: Math Ch 7

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

24

6

4

None of thes

89 / 100

Category: Math Ch 7

A coin is tossed 5 times , then ?(?) is equal to:

32

25

10

20

90 / 100

Category: Math Ch 12

A triangle which is not right is called:

Oblique triangle

Isosceles triangle

Scalene triangle

Right isosceles triangle

91 / 100

Category: Math Ch 3 Class 12

∫?′(?)/?(?) ?? =

??? + ?

???(?) + ?

???′(?) + ?

?′(?)???(?) + c

92 / 100

Category: Math Ch 3

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

?^?.?^?

?^? + ?^?

?^? + ?^t

93 / 100

Category: Math Ch 6

The sum of terms of a sequence is called:

Partial sum

Series

Finite sum

none of these

94 / 100

Category: Math Ch 7

A card is drawn from a deck of 52 playing cards. The probability of card that it is an ace card is:

2 /13

4 /13

1 /13

17 /13

95 / 100

Category: Math Ch 6

a

b

c

d

96 / 100

Category: Math Ch 1 Class 12

a

b

c

d

97 / 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

98 / 100

Category: Math Ch 3 Class 12

∫???+?? =

???? + ?

tan^−1 +?

???? + ?

cot−1 x

99 / 100

Category: Math Ch 3 Class 12

a

b

c

d

100 / 100

Category: Math Ch 9

a

b

c

d

Your score is

The average score is 53%

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