NUST Mock Test 12

Created by Ali Durrani

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NET Mock Test 12

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Category: Math Ch 14

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

Periodic

continues

injective

bijective

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Category: Physics Ch 12 Class 12

A charge is situated in the center of cube. The electric flux through one of the faces of the cube is.

Q/Eo

Q/2Eo

Q/4Eo

Ct/6Eo

3 / 199

Category: Physics Ch 12 Class 12

If a body A is charged with charge q, and is touched with neutral body B and then with neutral body C. What will be the charge on C after the contact?

q

q/2

q/3

q/4

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Category: Physics Ch 12 Class 12

If the potential difference between the plates of a capacitor with capacitance C is 4V, how much charge will accumulate on each of its plate?

4c

2c

0

8c

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Category: Physics Ch 12 Class 12

If capacitor is connected with battery and is fully charged then

Current will flow

Current will not flow

Depends on the dielectric

May or may not flow

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Category: Physics Ch 12 Class 12

Electric potential is a quantity.

Scalar

Vector

Basic

None of these

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Category: Physics Ch 12 Class 12

If a closed surface contains two equal and opposite The net electric flux from the surface will be

Positive

Negative

Zero

None of these

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Category: Physics Ch 12 Class 12

Which of the following can’t be used as a dielectric in a capacitor

Air

Wax

Iron

All of the above

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Category: Physics Ch 12 Class 12

If a 2 µF capacitor is connected, by closing a switch, to a supply of 100 volts through 1M ohm series resistance. What will be the time constant?

2 secs

3 secs

7 secs

4 secs

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Category: Physics Ch 17 Class 12

Semiconductors have conductivity of the order

10^7

10^-10 to 10^-20

10^-6 to 10^-4

None

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Category: Chemistry Ch 5 Class 12

What is the heat of vaporization of radon?

1.77

9.7

18.0

6.5

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Category: Chemistry Ch 5 Class 12

Which of the following show halogens?

F to At

N to CH

C to Sn

H to Cs.

13 / 199

Category: Chemistry Ch 5 Class 12

) Which halogen is present in Teflon?

Chlorine

Bromine

Fluorine

Iodine

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Category: Intelligence Direction Sense

One morning timer and Watias were talking to each other face to taco at a field. If Warps’s shadow was exactly to the loft of timer, which direction was thnor facing?

North

East

West

South

15 / 199

Category: Chemistry Ch 8 Class 11

A solution has pH of 10. What is the value of [OH-]?

10^4

10^-4

10^6

10^-6

16 / 199

Category: Chemistry Ch 8 Class 11

In a exothermic process, forward direction reaction is favored by:

Increase in temperature

Decrease In temperature

) Increase and decrease repeatedly

None of these

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Category: Physics Ch 1 Class 11

Pa m² is the unit of

Work

Pressure

force

Power

18 / 199

Category: Physics Ch 1 Class 11

SI unit of velocity Is

ms

s/m

m/s

s/m2

19 / 199

Category: Physics Ch 1 Class 11

If v = a + bt, the dimensions of a and b are

LT^-1 & LT^-2

LT^-1 & T

L^-2T & T

None

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Category: Math Ch 4 Class 12

a

b

c

d

21 / 199

Category: Math Ch 4 Class 12

a

b

c

d

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Category: Math Ch 4 Class 12

A four sided polygon (quadrilateral) having two parallel and non-parallel sides is called

Square

rhombus

trapezium

||gram

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Category: Math Ch 4 Class 12

? = ? is the straight line

Bisecting I & III

parallel to ? − ????

bisecting II & IV

parallel to ? − ????

24 / 199

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

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Category: Math Ch 4 Class 12

a

b

c

d

26 / 199

Category: Math Ch 4 Class 12

a

b

c

d

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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

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Category: Math Ch 4 Class 12

In the normal form, ????? + ????? = ? the value of ? is

Positive

Negative

positive or negative

Zero

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Category: Math Ch 4 Class 12

The Normal form of the equation of the straight line is

? = ?? + ?

? − ?1 = ?(? − ?1)

?/?+?/?= 1

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

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Category: Math Ch 4 Class 12

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

0°

45°

135°

∞

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Category: Math Ch 4 Class 12

a

b

c

d

32 / 199

Category: Math Ch 4 Class 12

a

b

c

d

33 / 199

Category: Math Ch 4 Class 12

The point where the altitudes of a triangle intersect is called_________ of the triangle.

Centroid

centre

orthocenter

circumference

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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

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Category: Math Ch 6 Class 12

a

b

c

d

36 / 199

Category: Math Ch 6 Class 12

a

b

c

d

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Category: Math Ch 6 Class 12

a

b

c

d

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Category: Math Ch 6 Class 12

The locus of a revolving line with one end fixed and other end on the circumference of a circle
of a circle is called:

a sphere

a circle

a cone

a conic

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Category: Math Ch 6 Class 12

The circle whose radius is 1 is called:

Unit circle

point circle

circumcircle

in-circle

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Category: Math Ch 6 Class 12

The equation ?? + ?? = ? then circle is

Point Circle

Unit Circle

Real circle

Imaginary Circle

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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

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Category: Math Ch 6 Class 12

a

b

c

d

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Category: Math Ch 6 Class 12

The foci of hyperbola always lie on :

? − ????

?????????? ???s

? − ????

Conjugate axis

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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

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Category: Math Ch 6 Class 12

a

b

c

d

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Category: Math Ch 6 Class 12

The set of points which are equal distance from a fixed point is called:

Circle

Parabola

Ellipse

Hyperbola

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Category: Math Ch 6 Class 12

a

b

c

d

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Category: Math Ch 6 Class 12

The angle inscribed in semi-circle is:

?/2

?/3

?/4

None of these

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Category: Math Ch 6 Class 12

a

b

c

d

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Category: Math Ch 6 Class 12

The circle whose radius is zero is called:

Unit circle

point circle

circumcircle

in-circle

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Category: Math Ch 6 Class 12

All lines through vertex and points on circle generate a

Circle

Ellipse

Circular cone

None of these

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Category: Math Ch 6 Class 12

Standard equation of Parabola is :

?2 = 4?

?2 + ?2 = ?2

?2 = 4??

? = ??

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Category: Chemistry Ch 8 Class 12

KOLBE’s method is used to prepare?

Ethane

Ethene

Ethyne

All of these

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Category: Physics Ch 4 Class 11

Work done by retarding force is:

Positive

negative

Zero

None of these

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Category: Physics Ch 4 Class 11

The basic source of geothermal energy is

Sun

Earth

Moon

Water

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Category: Physics Ch 4 Class 11

Mechanical energy of an object is the sum of its Potential Energy and ?

Electrical Energy

Thermal Energy

Kinetic Energy

All of these

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Category: Physics Ch 4 Class 11

A body of mass m moving with velocity v has a kinetic energy K. If its velocity is increased by 25%, what will be the work done in terms of K.E?

0.25 K

Zero

2.5 K

0.56 K

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Category: Physics Ch 5 Class 11

On doubling the mass, the linear momentum and angular momentum of the body will be:

Remain same

Increased

Decreased

Doubled

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Category: Physics Ch 5 Class 11

Centrifugal force of a body depends upon?

Weight

Mass

Volume

None of these

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Category: Physics Ch 5 Class 11

In rotation motion the torque is:

Rate of change of angular momentum

Rate of change of linear momentum

Rate of change of inertia

Rate of change of centripetal force

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Category: Physics Ch 6 Class 11

If an object sinks in the water, then

Object is denser than water

Water is denser than object

Either a or b

None

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Category: Intelligence Sequences and Series

Find the missing number in the pattern given below: If 4 x 6 = 1624 3 x 4 =912 then 5 x 6 = ?

2530

30

5060

2024

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Category: Intelligence Sequences and Series

Find the next number In the following sequence: 1, 9, 25, 49…

100

81

72

98

64 / 199

Category: Intelligence Sequences and Series

find the missing number in the pattern given below: If 7 + 5 = 4925 5 + 4= 2516 then 3 + 2 = ?

a) 1.5

9004

94

76 2

65 / 199

Category: Physics Ch 19 Class 12

Black body radiations were first observed by:

Maxwell

Planks

Lummer

None of these

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Category: Physics Ch 19 Class 12

Which of the following color has maximum energy?

Green

Blue

Red

Orange

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Category: Physics Ch 19 Class 12

Value of Wien’s constant is?

2.9 x 10^3 K

2.9 x 10^3 K/m

2.9 x 10^3 m K

2,9 x 10^3 m

68 / 199

Category: Physics Ch 19 Class 12

If temperature on Kelvin scale Is reduced to half, what would be the effect on the energy of radiations?

Increase 8 times

Decrease 8 times

Increase 16 times

Decrease 16 times

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Category: Physics Ch 19 Class 12

Anti matter theory was proposed by: a) Einstein b) Bohr

Einstein

Bohr

Planck

Dirac

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Category: English Spellings Correction

Choice Correct Spelling

Endeavour

Andeavour

Endiavour

Endeavor

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Category: English Spellings Correction

Choice Correct Spelling

Accidently

Exidently

Accedently

Accidantly

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Category: English Spellings Correction

Choice Correct Spelling

Exasperating

Exesperating

Exaspereting

Axasperating

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Category: English Spellings Correction

Choice Correct Spelling

Hirassment

Harassment

Herassment

Harasment

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Category: English Spellings Correction

Choice Correct Spelling

Mathematics

Mathimatics

Mathemetics

Methematics

75 / 199

Category: Chemistry Ch 9 Class 11

Definition of Raoult’s law is,

The lowering of vapor pressure is equal to the mole fraction of solute

The relative lowering of vapor pressure is directly proportional to the mole fraction of solute.

The relative lowering of vapor pressure is equal to the mole fraction of solute

The relative lowering vapor pressure is equal to the mole fraction of solvent

76 / 199

Category: Physics Ch 10 Class 11

If a single convex lens is placed close to the eye, it can be used as a

telescope

simple microscope

compound microscope

refracting telescope

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Category: Physics Ch 10 Class 11

A double convex lens acts as a diverging lens when the object is placed

at the focus

at 2f

between f and 2f

within the focal length

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Category: Physics Ch 10 Class 11

Final image produced by a compound microscope is

Real and inverted

Real and erect

Virtual and erect

Virtual and inverted.

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Category: Physics Ch 10 Class 11

Critical angle is that incident angle in denser medium for which angle of refraction is.

0

45

90

180

80 / 199

Category: Physics Ch 10 Class 11

A convex lens gives a virtual image only when the objects leis

Between principal focus and center of curvature

Beyond 2 f

At the principal focus

Between principal focus and optical center

81 / 199

Category: Physics Ch 10 Class 11

A point where the incident parallel rays of light converge or appear to diverge after passing through a lens
is called

(a) Center of curvature

Focus

(c) Optical centre

Aperture

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Category: Math Ch 9

a

b

c

d

83 / 199

Category: Math Ch 4

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

−1

0

±?

1

84 / 199

Category: Math Ch 4

The sum of all four fourth roots of unity is:

Unity

0

-1

None

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Category: Math Ch 4

86 / 199

Category: English – Synonyms and Antonyms

Choose the word closest in meaning to “Knuckle Head”

Intolerable

Inept person

Musical

Talented

87 / 199

Category: English – Synonyms and Antonyms

Choose the word closest in meaning to “Effrontery”

Meekness

Chutzpah

Caution

Mess

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Category: English – Synonyms and Antonyms

Choose the word most opposite in meaning to “Incomparable”

Unique

Rival

Attire

Routine

89 / 199

Category: English – Synonyms and Antonyms

Choose the word closest In meaning to “Welter

Tumble

Calm

Order

Peace

90 / 199

Category: English – Synonyms and Antonyms

Choose the word most opposite in meaning to “Fallacy”

Paradox

Flaw

Accuracy

Prejudice

91 / 199

Category: Chemistry Ch 2 Class 12

When alkali metal react with water the fire Is produced clue to:

Ions

Hydrogen gas

Water

None of these

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Category: Chemistry Ch 2 Class 12

Melting point of Group I-A elements is than Group II-A elements

Higher

lower

Same

Varies

93 / 199

Category: Physics Ch 20 Class 12

The ionization energy of hydrogen is:

13.6 ev

13.61 J

14 J

13.6 meV

94 / 199

Category: Physics Ch 20 Class 12

Laser light is

Monochromatic

Intense

Coherent

All of these

95 / 199

Category: Physics Ch 9 Class 11

If the grating element is made 1/10th the resolving power will become

1/100 times

1/10 times

100 times

10 times

96 / 199

Category: Physics Ch 3 Class 11

Ball thrown freely from a tower reaches ground in 4s. The height of tower Is about

20m

40m

80m

160m

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Category: Physics Ch 3 Class 11

If a body is placed from poles to equator, the weight of the body will

Increase

Decrease

Stay constant

None of these

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Category: Physics Ch 3 Class 11

Dimensions of linear Momentum are:

MLT^-1

ML^2T^2

M^2LT^1

MLT^-2

99 / 199

Category: Physics Ch 16 Class 12

RLC circuit can be excited by

AC

DC

Both a and b

None of these

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Category: Physics Ch 16 Class 12

An Inductor of 1H Is connected across a 220V, 50Hz supply. The peak value of current is approximately:

0.5A

0.7A

1A

1.4A

101 / 199

Category: Chemistry Ch 1 Class 12

Smallest element in the periodic table is?

Hydrogen

Fluorine

Lithium

Uranium

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Category: Chemistry Ch 1 Class 12

Hydration energy increases with

With high charge density

Distance between nucleus and outer most electron

Size of the atom

None of these

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Category: Math Ch 7

If an event always occurs , then it is called:

Null Event

Possible Event

Certain event

Independent Event

104 / 199

Category: Chemistry Ch 5 Class 11

If an election jumps from 6th orbit to 2nd orbit then decrease in radius will be?

90%

60%

30%

20%

105 / 199

Category: Chemistry Ch 5 Class 11

Which of the following quantum numbers are for p-subshell?

a

b

c

d

106 / 199

Category: Chemistry Ch 5 Class 11

If an electron makes a transition from 4th orbit to inner orbits, then the wavelength for which the radius is maximum, lies in which of the following series?

Lyman series

Paschen series

Brackett serie

Pfund series

107 / 199

Category: Chemistry Ch 4 Class 12

Nitrogen has oxides:

2

3

1

Several

108 / 199

Category: Chemistry Ch 4 Class 12

Which of the following has allotropic forms:

Oxygen

Sulphur

Both

None of these

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Category: English Reading Comprehension

Passage 6 Last summer, we decided to spend our vacation at the beach because the weather was very hot in the mountains. The travel agent said that traveling by bus was the cheapest way, but we went by plane because it was faster. We wanted to have more time to spend at the beach. The weather was beautiful, and we had a great time.

We decided to go to the beach because

a) It was cheaper than going to the mountains

b) The travel agent said that it was the cheapest

c) The weather was hot in mountains

d) we wanted to spend time at the beach

110 / 199

Category: English Reading Comprehension

When school opened in Texas this fall, some favorites were missing from the cafeteria menus. Soda; and ghouls op-when rand`, bars had been banned for grade schoolers, chips and cookies were mini•size. And that perennial favorite, the French fry, was given just one more year before it too will be banned. Howls of protest could be heard everywhere. Principals complained about being forced to act as “nutrition police.” Parents and kids traded schoolyard rumors about twinkles being confiscated from lunch boxes. Nearly everyone, addicted to the revenues that vending machines bring in, yelled that there wouldn’t be enough money for activities like band camp and choir trips. Angry e-mails poured in to the woman who had imposed the new rules-Texas agriculture commissioner Susan Combs. It is stated in the passage that both the students and the principals of the schools in Texas

a) Have the most qualified teaching staff

b) Are to commute between the campus and downtown

c) Intend to devise new methods of dieting

d) Seem to be displeased with the current food policy

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Category: Physics Ch 8 Class 11

Standing pattern of Nodes and Antlnodes form:

All of these

Stationary Waves

Progressive Waves

Travelling Waves

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Category: Math Ch 6

A sequence is function whose domain is

?

113 / 199

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

114 / 199

Category: Math Ch 5 Class 12

(0,0) is satisfied by

? − ? < 10

2? + 5? > 10

? − ? ≥ 13

None

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Category: Math Ch 5 Class 12

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

1

2

3

4

116 / 199

Category: Math Ch 5 Class 12

a

b

c

d

117 / 199

Category: Math Ch 5 Class 12

a

b

c

d

118 / 199

Category: Math Ch 5 Class 12

Corner point is also called

Origin

Focus

Vertex

Test point

119 / 199

Category: Math Ch 5 Class 12

a

b

c

d

120 / 199

Category: Math Ch 5 Class 12

The point where two boundary lines of a shaded region intersect is called _____ point.

Boundary

corner

stationary

feasible

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Category: Math Ch 5 Class 12

A linear inequality contains at least _________ variables.

One

two

three

more than three

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Category: Math Ch 5 Class 12

a

b

c

d

123 / 199

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

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Category: Math Ch 5 Class 12

(0,0) is the solution of the inequality

7? + 2? > 0

2? − ? > 0

? + ? ≥ 0

3? + 5? < 0

125 / 199

Category: Math Ch 5 Class 12

An inequality with one or two variables has ________ solutions.

One

two

three

infinitely many

126 / 199

Category: Math Ch 5 Class 12

A function which is to be maximized or minimized is called______ function

Subjective

objective

qualitative

quantitative

127 / 199

Category: Math Ch 5 Class 12

A function which is to be maximized or minimized is called______ function

Subjective

objective

qualitative

quantitative

128 / 199

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

129 / 199

Category: Math Ch 5 Class 12

The graph of corresponding linear equation of the linear inequality is a line called________

Boundary line

horizontal line

vertical line

inclined line

130 / 199

Category: Math Ch 5 Class 12

a

b

c

d

131 / 199

Category: Math Ch 5 Class 12

If ? > ? then

– ? > −?

– ? < ?

? < ?

– ? < −b

132 / 199

Category: Math Ch 5 Class 12

The solution of ?? + ? < ? is

Closed half plane

open half plane

circle

parabola

133 / 199

Category: Math Ch 5 Class 12

The symbols used for inequality are

1

2

3

4

134 / 199

Category: Chemistry Ch 10 Class 11

+3 and +5 oxidation states are often shown by:

Cl

F

Zn

Cu

135 / 199

Category: Chemistry Ch 10 Class 11

Which one has valency other than one?

Mn in KMnO4

K in KCL

Br in Br2O

Na in NaCI

136 / 199

Category: Chemistry Ch 6 Class 11

Which one of these is paramagnetic?

N

Be

He

None of these

137 / 199

Category: Chemistry Ch 6 Class 11

which type of hybridization doesn’t exist?

Sp4

Sp3

Sp2

Sp

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Category: Chemistry Ch 6 Class 11

Which of the following is paramagnetic

Nickle

Vanadium

Uranium

Oxygen

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Category: Chemistry Ch 6 Class 11

Ionization potential

Increases down the group

Decreases down the group

Stay same

None

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Category: Math Ch 3 Class 12

a

b

c

d

141 / 199

Category: Math Ch 3 Class 12

a

b

c

d

142 / 199

Category: Math Ch 3 Class 12

a

b

c

d

143 / 199

Category: English Analogies

Revolver : Holster

Book : Bag

Eye : Eyelid

Juice : Glass

Nostril : Nose

144 / 199

Category: English Analogies

Knife : Chopper

Walking Fitness

Swim : Float

Scissors : Cloth

Quilt : Blanket

145 / 199

Category: English Analogies

Symphony : Music

Mural : Painting

Ode : Prose

Preface : Book

Editorial : Journal

146 / 199

Category: English Analogies

Cat : Mouse

Horse : Stable

Trap : Cheese

Bird : Worm

Lion : Cage

147 / 199

Category: English Analogies

19) Embarrass : Humiliate

Enquire : Ask

Gamble : Investment

Embezzle : Peculate

Annoy : Exasperate

148 / 199

Category: English Analogies

Explosion : Destruction

Talk : Exaggeration

Success : Failure

Girl : Woman d)

Engagement : Marriage

149 / 199

Category: Physics Ch 13 Class 12

What is the constant of proportionality in ohms law:

R

1/R

I

V

150 / 199

Category: Physics Ch 13 Class 12

The power dissipated in a resistor is 12.8 watts when 4A current Is passed. Hw much power will be dissipated If 6A current Is passed through the same resistor?

16 watts

24 watts

28.8 watts

32.5 watts

151 / 199

Category: Physics Ch 13 Class 12

If three resistances RI, RI and R3 are connected In Parallel to the circuit such that RI> RI > RI. Which of the following will be true for the Equivalent Resistance R’?

R' > R1 > R3

R' < R3

R' = R3

R1< R' < R3

152 / 199

Category: English Grammar

16) The paths of glory lead _ to the grave.

Straight

But

In

Directl

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Category: English Grammar

If you smuggle goods into the country, — they may be, by the customs authority.

Possessed

Punished

Confiscated

Fined

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Category: Physics Ch 14 Class 12

If the length of a current carrying solenoid is doubled keeping the number of turns same and the current is increased to 9 times, the value of magnetic field compared to the original magnetic field B will be:

2/9 B

9/2 B

18B

B/18

155 / 199

Category: Physics Ch 14 Class 12

F = I L B, What Is relation between I and L

Direct

Inverse

Inverse of square

None of the above

156 / 199

Category: Physics Ch 21 Class 12

How many quarks neutron and proton is made up of?

1

2

3

4

157 / 199

Category: Chemistry Ch 2 Class 11

How will you separate water and kerosene oil?

Distillation

Filtration

Sublimation

Crystallization

158 / 199

Category: Chemistry Ch 2 Class 11

The process of changing a solid directly into gas upon heating is known as:

Sublimation

Liquefaction

Condensation

None of these

159 / 199

Category: Chemistry Ch 3 Class 11

Gases can be converted into liquid by:

Increasing temperature and decreasing pressure

Decreasing temperature and increasing pressure

Same temperature and pressure

Increasing pressure and temperature

160 / 199

Category: Chemistry Ch 3 Class 11

Real gases deviate significantly from ideal gas behavior at

Low temperature and high pressure

High temperature and low pressure

None of these

Noth a and b

161 / 199

Category: Intelligence Odd One Out

Which of the following is the odd one out?

Microfilm

Microscope

Microbe

Microchip

162 / 199

Category: Intelligence Odd One Out

Pick the odd one out

Mountain

Mound

Peak

Valley

163 / 199

Category: Intelligence Odd One Out

Which of the following is the odd one?

Apple

Orange

Guava

Pear

164 / 199

Category: Intelligence Odd One Out

Pick the odd one out

Trunk

Tree

Leaf

Flower

165 / 199

Category: Intelligence Odd One Out

Pick the odd one out

Mercury

Acetone

Petrol

Kerosene

166 / 199

Category: Physics Ch 7 Class 11

What will be impact on the frequency of a simple pendulum if the length of pendulum is halved
and value of gravity is doubled?

Halved

Doubled

Quadrupled

None of these

167 / 199

Category: Physics Ch 7 Class 11

Seconds pendulum has time period

1 sec

2 sec

4 sec

0.5 sec

168 / 199

Category: Physics Ch 7 Class 11

Second’s pendulum has frequency equal to?

0.5

1

2

4

169 / 199

Category: Physics Ch 7 Class 11

What will be the time period of pendulum if length becomes S times and g becomes 1/5 times at some height from the earth?

5t

t/5

15t

25t

170 / 199

Category: Physics Ch 18 Class 12

When transistor Is forward biased then resistance will be: b a) Nano ohms ) Kilo ohms c) Mega ohms

Nano ohms

Kilo ohms

Mega ohms

Milli ohms

171 / 199

Category: Physics Ch 18 Class 12

If x and y are the input of the GATE, and z is the output, the following table represents:

a

b

c

d

172 / 199

Category: Math Ch 3

53. The inverse of unit matrix is:

Unit

Singular

Skew Symmetri

rectangular

173 / 199

Category: Math Ch 3

Which of the following Sets is a field.

R

Q

C

all of these

174 / 199

Category: Math Ch 3

a

b

c

d

175 / 199

Category: Math Ch 3

In echelon form of matrix, the first non zero entry is called:

Leading entry

first entry

preceding entry

Diagonal entry

176 / 199

Category: Chemistry Ch 7 Class 11

Burning of fuel is a

Endothermic

Exothermic

Both a & b

None of these

177 / 199

Category: Chemistry Ch 4 Class 11

if the crystal structure of Graphite is Hexagonal, the crystal system of Diamond will be:

Tetrahedral

Pyramidal

Cubic

Pentagonal

178 / 199

Category: Chemistry Ch 4 Class 11

Which of the following has the higher bond forces amount its molecules

Hydrogen

Neon

Water

Hydrogen Fluoride

179 / 199

Category: Chemistry Ch 4 Class 11

Vapor pressure depends on

Size of the container used to collect the gas

Current atmospheric pressure

Temperature of the liquid

d) Kind of gas that is being collected

180 / 199

Category: Math Ch 2 Class 12

a

b

c

d

181 / 199

Category: Math Ch 7 Class 12

a

b

c

d

182 / 199

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

183 / 199

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

184 / 199

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

185 / 199

Category: Math Ch 7 Class 12

Cross product or vector product is defined

In plane only

in space only

everywhere

in vector field

186 / 199

Category: Math Ch 7 Class 12

The lines joining the mid-points of any two sides of a triangle is always _____to the third side.

Equal

Parallel

perpendicular

base

187 / 199

Category: Math Ch 7 Class 12

a

b

c

d

188 / 199

Category: Physics Ch 2 Class 11

If a force of 2N acting through a moment arm of V2 rn produces a torque of V6 Nm, what is the angle between F and r.

0 degrees

30 degrees

45 degrees

60 degrees

189 / 199

Category: Physics Ch 2 Class 11

i.(j*k)

0

1

2

-1

190 / 199

Category: Physics Ch 2 Class 11

If a Force F of magnitude 5N makes an angle of 60 with x-axis, the x-component of the vector will
be:

F/2

√3F/2

F/√2

F

191 / 199

Category: Chemistry Ch 3 Class 12

Chemical formula of powder used in carom board is?

NaHCO3

H3B03

Na2CO3

K2CO3

192 / 199

Category: Chemistry Ch 3 Class 12

Burning of amorphous Boron in air forms

B(OH)3

B203

BN

Mixture of B203& BN

193 / 199

Category: Chemistry Ch 3 Class 12

Which element of group 4A shows inert pair effect?

Ge

Pb

Si

C

194 / 199

Category: Chemistry Ch 3 Class 12

) Which one of the following is metalloid?

C

Si

S

0

195 / 199

Category: Chemistry Ch 6 Class 12

What is NOT true about K2Cr2O7?

Blue crystalline solid

Not soluble in water

Strong oxidizing agent

Used in formation of lead chromate

196 / 199

Category: Chemistry Ch 1 Class 11

) Which one of the following has no isotope

Hydrogen

Helium

Nitrogen

None

197 / 199

Category: Chemistry Ch 1 Class 11

1 amu is?

1.66 x 10^-27 kg

1.602 x 10^27 kg

1.66 x 10^-31 kg

None

198 / 199

Category: Chemistry Ch 1 Class 11

To find the number of molecules in a given compound which of the following is employed?

Chromatography

Le-Chatelier's principle

Kc

None of thes

199 / 199

Category: Intelligence Coding — Decoding

If LCMHN represents MANGO, then how will BOUTS be represented?

AWPAK

AQTUR

AQVRU

d) None of these

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