Mathematics Practice Tests 3

NET Practice

Math Practice Test 3

1 / 100

Category: Math Ch 3

Which of the property does not hold matrix multiplication?

Associative

Commutative

Closure

Inverse

2 / 100

Category: Math Ch 7 Class 12

a

b

c

d

3 / 100

Category: Math Ch 9

Straight line angle is equal to

1/2 ????????

? radian

180°

All of these

4 / 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

5 / 100

Category: Math Ch 12

a

b

c

d

6 / 100

Category: Math Ch 7

a

b

c

d

7 / 100

Category: Math Ch 12

a

b

c

d

8 / 100

Category: Math Ch 7 Class 12

a

b

c

d

9 / 100

Category: Math Ch 4 Class 12

a

b

c

d

10 / 100

Category: Math Ch 5

Which is a reducible factor:

?^3 − 6?^2 + 8?

?^2 + 16?

?^2 + 5? − 6

all of these

11 / 100

Category: Math Ch 4

The equation ??^? + ?? + ? = ? will be quadratic if:

? = 0, ? ≠ 0

? ≠ 0

? = ? = 0

? = any real number

12 / 100

Category: Math Ch 14

a

b

c

d

13 / 100

Category: Math Ch 1

For any complex number ?, it is always true that |?| is equal to:

|?|

| − ?|

all of these

14 / 100

Category: Math Ch 10

a

b

c

d

15 / 100

Category: Math Ch 9

??°??′ equal to

16.5°

32°/2

16.05°

16.2°

16 / 100

Category: Math Ch 11

Period of ???? is

?

2?

−2?

?/ 2

17 / 100

Category: Math Ch 6

a

b

c

d

18 / 100

Category: Math Ch 7 Class 12

a

b

c

d

19 / 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

20 / 100

Category: Math Ch 5

a

b

c

d

21 / 100

Category: Math Ch 3

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

Matrix

Row

Column

Determinant

22 / 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

23 / 100

Category: Math Ch 3

Any matrix A is called singular if:

|?| = 0

|?| ≠ 0

? ^? = ?

??^−1 = ?

24 / 100

Category: Math Ch 9

a

b

c

d

25 / 100

Category: Math Ch 14

a

b

c

d

26 / 100

Category: Math Ch 1

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

Rational number

Irrational number

Complex number

Whole number

27 / 100

Category: Math Ch 4

The sum of all four fourth roots of unity is:

Unity

0

-1

None

28 / 100

Category: Math Ch 7 Class 12

If any two vectors of scalar triple product are equal, then its value is equal to

1

0

-1

2

29 / 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

30 / 100

Category: Math Ch 3

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

Row vector

Column vector

square matrix

Rectangular matrix

31 / 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

32 / 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

33 / 100

Category: Math Ch 3

53. The inverse of unit matrix is:

Unit

Singular

Skew Symmetri

rectangular

34 / 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

35 / 100

Category: Math Ch 2

Total number of subsets that can be formed from the set {?, ?, ?} is

1

8

5

2

36 / 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

37 / 100

Category: Math Ch 2 Class 12

a

b

c

d

38 / 100

Category: Math Ch 5

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

Equation

Formula

Rational fraction

Theorem

39 / 100

Category: Math Ch 7 Class 12

a

b

c

d

40 / 100

Category: Math Ch 3 Class 12

a

b

c

d

41 / 100

Category: Math Ch 9

The common starting point of two rays is called:

Origin

Initial Point

Vertex

All of these

42 / 100

Category: Math Ch 4 Class 12

The lines lying in the same plane are called

Collinear

coplanar

non-collinear

non-coplanar

43 / 100

Category: Math Ch 5

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

Conditional equation

an identity

proper rational fraction

a formula

44 / 100

Category: Math Ch 9

a

b

c

d

45 / 100

Category: Math Ch 13

a

b

c

d

46 / 100

Category: Math Ch 5

a

b

c

d

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 2 Class 12

a

b

c

d

49 / 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

50 / 100

Category: Math Ch 3 Class 12

a

b

c

d

51 / 100

Category: Math Ch 12

a

b

c

d

52 / 100

Category: Math Ch 12

Which can be reduced to Pythagoras theorem,

Law of sine

law of cosine

law of tangents

Half angle formulas

53 / 100

Category: Math Ch 4

Synthetic division is a process of:

Addition

multiplication

subtraction

division

54 / 100

Category: Math Ch 7 Class 12

a

b

c

d

55 / 100

Category: Math Ch 2

The set of odd numbers between 1 and 9 are

{1,3,5,7}

{3,5,7,9}

{1,3,5,7,9}

{3,5,7}

56 / 100

Category: Math Ch 4 Class 12

. Altitudes of a triangle are:

Parallel

Perpendicular

Concurrent

Non Concurrent

57 / 100

Category: Math Ch 2 Class 12

a

b

c

d

58 / 100

Category: Math Ch 6 Class 12

a

b

c

d

59 / 100

Category: Math Ch 7 Class 12

a

b

c

d

60 / 100

Category: Math Ch 1 Class 12

a

b

c

d

61 / 100

Category: Math Ch 4 Class 12

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

0°

45°

135°

∞

62 / 100

Category: Math Ch 6 Class 12

The angle inscribed in semi-circle is:

?/2

?/3

?/4

None of these

63 / 100

Category: Math Ch 7

a

b

c

d

64 / 100

Category: Math Ch 12

a

b

c

d

65 / 100

Category: Math Ch 14

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

Periodic

continues

injective

bijective

66 / 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

67 / 100

Category: Math Ch 10

Fundamental law of trigonometry is , ???(? − ?)

???????? + ????????

???????? − ????????

???????? + ????????

???????? − ????????

68 / 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

69 / 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

70 / 100

Category: Math Ch 4 Class 12

a

b

c

d

71 / 100

Category: Math Ch 9

1° is equal to

360′′

3600′′

( 1 /360 )′

60′′

72 / 100

Category: Math Ch 6

a

b

c

d

73 / 100

Category: Math Ch 7 Class 12

a

b

c

d

74 / 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

75 / 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

76 / 100

Category: Math Ch 4 Class 12

The Normal form of the equation of the straight line is

? = ?? + ?

? − ?1 = ?(? − ?1)

?/?+?/?= 1

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

77 / 100

Category: Math Ch 3 Class 12

a

b

c

d

78 / 100

Category: Math Ch 13

a

b

c

d

79 / 100

Category: Math Ch 2 Class 12

a

b

c

d

80 / 100

Category: Math Ch 3

a

b

c

d

81 / 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

82 / 100

Category: Math Ch 7

a

b

c

d

83 / 100

Category: Math Ch 7 Class 12

a

b

c

d

84 / 100

Category: Math Ch 4

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

Multiplicative inverse

reciprocal

square

None of these

85 / 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

86 / 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

87 / 100

Category: Math Ch 10

???(? − ?) is equal to:

???????? + ????????

???????? − ????????

???????? + ????????

???????? − ????????

88 / 100

Category: Math Ch 7

If an event always occurs , then it is called:

Null Event

Possible Event

Certain event

Independent Event

89 / 100

Category: Math Ch 11

Range of ? = ???? is

?

? − [−1,1]

? − {0}

Z

90 / 100

Category: Math Ch 5 Class 12

A linear inequality contains at least _________ variables.

One

two

three

more than three

91 / 100

Category: Math Ch 13

a

b

c

d

92 / 100

Category: Math Ch 14

a

b

c

d

93 / 100

Category: Math Ch 9

The common starting point of two rays is called:

Origin

Initial Point

Vertex

All of these

94 / 100

Category: Math Ch 3 Class 12

a

b

c

d

95 / 100

Category: Math Ch 7 Class 12

If ? be the set of real numbers, then the Cartesian plane is defined as

?2 = {(?2, ?2): ?, ? ∈ ?}

R2 = {(?, ?): ?, ? ∈ ?}

?2 = {(?, ?): ?, ? ∈ ?, ? = −?}

?2 = {(?, ?): ?, ? ∈ ?, ? = ?}

96 / 100

Category: Math Ch 1 Class 12

a

b

c

d

97 / 100

Category: Math Ch 3 Class 12

a

b

c

d

98 / 100

Category: Math Ch 3

a

b

c

d

99 / 100

Category: Math Ch 3 Class 12

a

b

c

d

100 / 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

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