Mathematics Practice Tests 4

NET Practice

Math Practice Test 4

1 / 100

Category: Math Ch 6 Class 12

Standard equation of Parabola is :

?2 = 4?

?2 + ?2 = ?2

?2 = 4??

? = ??

2 / 100

Category: Math Ch 5 Class 12

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

Origin side

non-origin side

upper

left

3 / 100

Category: Math Ch 14

a

b

c

d

4 / 100

Category: Math Ch 5

a

b

c

d

5 / 100

Category: Math Ch 1 Class 12

. The graph of linear equation is always a

Straight line

parabola

circle

cube

6 / 100

Category: Math Ch 3

54. Transpose of a row matrix is:

Diagonal matrix

zero matrix

column matrix

scalar matrix

7 / 100

Category: Math Ch 14

a

b

c

d

8 / 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

9 / 100

Category: Math Ch 8

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

1494-1575

1500-1575

1498-1575

1494-1570

10 / 100

Category: Math Ch 3 Class 12

∫ ?????? =

– ???? + ?

???? + ?

– ???? + ?

???? + c

11 / 100

Category: Math Ch 3

Which of the following Sets is not a field.

R

Q

C

Z

12 / 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

13 / 100

Category: Math Ch 9

Sexagesimal system is also called

German System

English System

C.G.S System

SI System

14 / 100

Category: Math Ch 4

Sum of all cube roots of 64 is :

0

1

64

-64

15 / 100

Category: Math Ch 10

a

b

c

d

16 / 100

Category: Math Ch 2 Class 12

a

b

c

d

17 / 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

18 / 100

Category: Math Ch 1 Class 12

When we say that ? is function from set ? to set ?, then ? is called

Domain of ?

Range of ?

Codomain of ?

None of these

19 / 100

Category: Math Ch 9

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

21°25’6’’

21°40′27′′

21°15′22′′

21°30′2′′

20 / 100

Category: Math Ch 11

Period of ????? is

?

2?

−2?

?/ 4

21 / 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

22 / 100

Category: Math Ch 3

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

Real numbers

complex numbers

0

1

23 / 100

Category: Math Ch 5 Class 12

(0,0) is satisfied by

? − ? < 10

2? + 5? > 10

? − ? ≥ 13

None

24 / 100

Category: Math

Q.99 Correct form of ohm’s law

A. I=VR

B. V a I

C. V=IR

D. Both B and C

25 / 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

26 / 100

Category: Math Ch 4

a

b

c

d

27 / 100

Category: Math Ch 6

a

b

c

d

28 / 100

Category: Math Ch 4

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

{2, −2}

{2}

{−2}

{4, −4}

29 / 100

Category: Math Ch 14

a

b

c

d

30 / 100

Category: Math Ch 8

a

b

c

d

31 / 100

Category: Math Ch 4

The sum of all four fourth roots of 16 is:

16

-16

0

1

32 / 100

Category: Math Ch 3

33 / 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

34 / 100

Category: Math Ch 13

a

b

c

d

35 / 100

Category: Math Ch 2

A diagram which represents a set is called______

Venn’s

Argand

Plane

None

36 / 100

Category: Math Ch 9

1° is equal to

360′′

3600′′

( 1 /360 )′

60′′

37 / 100

Category: Math Ch 11

Range of ? = ???? is

?

−1 ≤ ? ≤ 1

?

? − {0}

38 / 100

Category: Math Ch 4 Class 12

The Normal form of the equation of the straight line is

? = ?? + ?

? − ?1 = ?(? − ?1)

?/?+?/?= 1

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

39 / 100

Category: Math Ch 14

a

b

c

d

40 / 100

Category: Math Ch 1

? is

Rational

Irrational

Natural number

None

41 / 100

Category: Math Ch 5

Which is a reducible factor:

?^3 − 6?^2 + 8?

?^2 + 16?

?^2 + 5? − 6

all of these

42 / 100

Category: Math Ch 3

The vertical lines of numbers in a matrix are called:

Columns

Rows

Column matrix

Row matrix

43 / 100

Category: Math Ch 4 Class 12

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

0°

45°

135°

∞

44 / 100

Category: Math Ch 7 Class 12

a

b

c

d

45 / 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

46 / 100

Category: Math Ch 3

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

?^?.?^?

?^? + ?^?

?^? + ?^t

47 / 100

Category: Math Ch 3 Class 12

a

b

c

d

48 / 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

?

e

49 / 100

Category: Math Ch 2 Class 12

The notation ??(?) or ?? is used by

Leibnitz

Newton

Lagrange

Cauchy

50 / 100

Category: Math Ch 6 Class 12

Focus of the ellipse always lies on the

Minor axis

Major axi

Directrix

None of these

51 / 100

Category: Math Ch 2 Class 12

a

b

c

d

52 / 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’’

53 / 100

Category: Math Ch 1

The multiplicative identity of complex number is

(0,0)

(0,1)

(1,0)

(1,1)

54 / 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

55 / 100

Category: Math Ch 4 Class 12

a

b

c

d

56 / 100

Category: Math Ch 9

1 radian is equal to:

57.296°

5.7296°

175.27°

17.5276

57 / 100

Category: Math Ch 10

???(? + ?) is equal to:

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

???????? − ????????

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

???????? − ????????

58 / 100

Category: Math Ch 7 Class 12

a

b

c

d

59 / 100

Category: Math Ch 11

a

b

c

d

60 / 100

Category: Math Ch 3 Class 12

∫???+?? =

???? + ?

tan^−1 +?

???? + ?

cot−1 x

61 / 100

Category: Math Ch 6

a

b

c

d

62 / 100

Category: Math Ch 6

The sum of infinite geometric series is valid if

|?| > 1

|?| = 1

|?| ≥ 1

|?| < 1

63 / 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

64 / 100

Category: Math Ch 7 Class 12

a

b

c

d

65 / 100

Category: Math Ch 14

a

b

c

d

66 / 100

Category: Math Ch 2 Class 12

a

b

c

d

67 / 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

68 / 100

Category: Math Ch 3 Class 12

a

b

c

d

69 / 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

70 / 100

Category: Math Ch 9

??°??′ equal to

16.5°

32°/2

16.05°

16.2°

71 / 100

Category: Math Ch 10

???(−???°) =

1

0

2

-1

72 / 100

Category: Math Ch 13

a

b

c

d

73 / 100

Category: Math Ch 6

a

b

c

d

74 / 100

Category: Math Ch 7

a

b

c

d

75 / 100

Category: Math Ch 3 Class 12

a

b

c

d

76 / 100

Category: Math Ch 5 Class 12

(0,0) is the solution of the inequality

7? + 2? > 0

2? − ? > 0

? + ? ≥ 0

3? + 5? < 0

77 / 100

Category: Math Ch 2

Which of the following is true:

? ⊂ ?

all of these

78 / 100

Category: Math Ch 14

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

Periodic

continues

injective

bijective

79 / 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

80 / 100

Category: Math Ch 3

53. The inverse of unit matrix is:

Unit

Singular

Skew Symmetri

rectangular

81 / 100

Category: Math Ch 9

60th part of ?° is equal to

One second

One minute

1 Radian

? radian

82 / 100

Category: Math Ch 7

A die is rolled , the probability of getting 3 or 5 is:

2/3

15/36

1/36

83 / 100

Category: Math Ch 12

A triangle which is not right is called:

Oblique triangle

Isosceles triangle

Scalene triangle

Right isosceles triangle

84 / 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

85 / 100

Category: Math Ch 3

The main diagonal elements of a skew symmetric matrix must be:

1

0

any non-zero number

any complex number

86 / 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

87 / 100

Category: Math Ch 7 Class 12

The vector whose magnitude is 1 is called

Null vector

unit vector

free vector

scalar

88 / 100

Category: Math Ch 9

The common starting point of two rays is called:

Origin

Initial Point

Vertex

All of these

89 / 100

Category: Math Ch 6

a

b

c

d

90 / 100

Category: Math Ch 3 Class 12

a

b

c

d

91 / 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 = {(?, ?): ?, ? ∈ ?, ? = ?}

92 / 100

Category: Math Ch 14

a

b

c

d

93 / 100

Category: Math Ch 3 Class 12

a

b

c

d

94 / 100

Category: Math Ch 3 Class 12

a

b

c

d

95 / 100

Category: Math Ch 9

3600th part of ?° is equal to

1’

1’’

60’’

3600’’

96 / 100

Category: Math Ch 6 Class 12

All lines through vertex and points on circle generate a

Circle

Ellipse

Circular cone

None of these

97 / 100

Category: Math Ch 4

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

Reciprocal equations

Redical equations

Quadratic functions

exponential equations

98 / 100

Category: Math Ch 9

a

b

c

d

99 / 100

Category: Math Ch 10

a

b

c

d

100 / 100

Category: Math Ch 7

a

b

c

d

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The average score is 55%

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