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JEE Main Mock - 14 (Previous Pattern)

90 Questions MCQ Test Mock Test Series for JEE Main & Advanced 2021 | JEE Main Mock - 14 (Previous Pattern)

Description

This mock test of JEE Main Mock - 14 (Previous Pattern) for JEE helps you for every JEE entrance exam. This contains 90 Multiple Choice Questions for JEE JEE Main Mock - 14 (Previous Pattern) (mcq) to study with solutions a complete question bank. The solved questions answers in this JEE Main Mock - 14 (Previous Pattern) quiz give you a good mix of easy questions and tough questions. JEE students definitely take this JEE Main Mock - 14 (Previous Pattern) exercise for a better result in the exam. You can find other JEE Main Mock - 14 (Previous Pattern) extra questions, long questions & short questions for JEE on EduRev as well by searching above.

QUESTION: 1

The area bounded by the curve y = x³, the x-axis and the ordiantes at x = -2 and x = 1 is

A.
9/2
B.
15/2
C.
15/4
D.
17/4

Solution:

QUESTION: 2

The maximum coefficient in the expansion of (1+x)¹⁰.

A.
[(10!)/(5!6!)]
B.
[(10!)/(5!)²]
C.
[(10!)/(6!)²]
D.
[(10!)/(5!7!)]

Solution:

QUESTION: 3

The equation of the circle when touches x-axis at (3,0) and passing through (1,4) is

A.
x²+y²-6x-5y+9=0
B.
x²+y²+6x+5y-9=0
C.
x²+y²-6x+5y-9=0
D.
x²+y²+6x-5y+9=0

Solution:

QUESTION: 4

The order of the differential equation x²+y²+2gx+2fy+c=0, is

A.
1
B.
2
C.
3
D.
4

Solution:

QUESTION: 5

The solution of the equation y - x(dy/dx)=a[(y²)+(dy/dx)] is

A.
y=c(x+a)(1+ay)
B.
y=c(x+a)(1-ay)
C.
y=c(x-a)(1+ay)
D.
none of these

Solution:

QUESTION: 6

If ω is a complex cube root of unity ,then the value of ω ⁹⁹ + ω ¹⁰⁰ + ω¹⁰¹ is

A.
1
B.
-1
C.
3
D.
0

Solution:

QUESTION: 7

If f: R → R is defined by f (x) = x − [ x ] , where [x] is the greatest integer not exceeding x, then the set of discontinuities of f is

A.
The empty set
B.
R
C.
Z
D.
N

Solution:

QUESTION: 8

A.
B.
log a - log b
C.
log a + log b
D.

Solution:

QUESTION: 9

If and α is constant then the locus of z is

A.
x² + y² + 2xcot 2 α = 1
B.
cot 2 α .(x² + y²) = 1 + x
C.
x² + y² + 2ytan 2α = 1
D.
x² + y² + 2xsin 2α = 1

Solution:

QUESTION: 10

The equation of ellipse in the form (x²/a²) + (y²/b²) = 1, given the eccentricity to be 2/3 and latus rectum 2/3 is

A.
25x² + 45y² = 9
B.
25x² - 4y² = 9
C.
25x² - 45y²= 9
D.
25x² + 4y² = 9

Solution:

QUESTION: 11

If then f ′ a =

A.
a
B.
0
C.
1
D.
− 1

Solution:

QUESTION: 12

The inverse of the converse of a conditional statement is the _______________.

A.
converse
B.
inverse
C.
contrapositive
D.
none of the above

Solution: The inverse will insert NOT into the statement.
The converse will switch the IF and THEN.
The contrapositive does both.
The contrapositive is the inverse of the converse of the conditional statement.

QUESTION: 13

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): If P(2a,0) be any point on the axis of parabola, then the chord QPR, satisfies

Reason(R): There exists a point on the axis of the parabola y² = 4ax such that = constant for all chords QPR of the parabola.

A.
Both Assertion and Reason are true and Reason is the correct explanation of assertion.
B.
Both Assertion and Reason are true and Reason is not the correct explanation of assertion.
C.
Assertion is true but Reason is false.
D.
Assertion is false but Reason is true.

Solution:

QUESTION: 14

A.
Both Assertion and Reason are true and Reason is the correct explanation of assertion.
B.
Both Assertion and Reason are true and Reason is not the correct explanation of assertion.
C.
Assertion is true but Reason is false.
D.
Assertion is false but Reason is true.

Solution:

QUESTION: 15

A.
no value of n
B.
n is any whole number
C.
n = 0 only
D.
n = 2 only

Solution:

QUESTION: 16

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): The lines 27x - 18y + 25 = 0 and 2x + 3y + 7 = 0 are perpendicular.
Reason(R): Two lines y = m₁x + c₁ and y = m₂x + c₂ are perpendicular if m₁m₂ = -1.

A.
Both Assertion and Reason are true and Reason is the correct explanation of assertion.
B.
Both Assertion and Reason are true and Reason is not the correct explanation of assertion.
C.
Assertion is true but Reason is false.
D.
Assertion is false but Reason is true.

Solution:

QUESTION: 17

A.
Both Assertion and Reason are true and Reason is the correct explanation of assertion.
B.
Both Assertion and Reason are true and Reason is not the correct explanation of assertion.
C.
Assertion is true but Reason is false.
D.
Assertion is false but Reason is true.

Solution:

QUESTION: 18

Range of a set of values is 60 and maximum value in the series is 80. The minimum value of the series is:

A.
140
B.
20
C.
70
D.
None of these

Solution:

QUESTION: 19

If the value of a third determinants is 11, then the value of the determinant formed by its cofactors will be

A.
11
B.
121
C.
1331
D.
14641

Solution:

QUESTION: 20

The absolute maximum value of y=x³-2x+2 in 0≤x≤2 is

A.
4
B.
6
C.
2
D.
0

Solution:

QUESTION: 21

The locus of the point of intersection of the normals at the ends of a focal chord of the parabola y²=4ax is

A.
y²=4a(x-3a)
B.
y²=2a(x-3a)
C.
y²=a(x-3a)
D.
None of these

Solution:

QUESTION: 22

How many numbers between 99 and 1000 can be formed from the digits 2,3,7,0,8,6 so that in each number each digit may occur once only?

A.
100
B.
90
C.
120
D.
80

Solution:

QUESTION: 23

The probability that a person tossing three fair coins will get either all heads or all tails for the second time on the 5^th toss is

A.
31/128
B.
49/512
C.
15/64
D.
27/256

Solution:

QUESTION: 24

In the set W of whole numbers an equivalence relation R is defined as follows :
aRb iff both a and b leave same remainder when divided by 5. The equivalence class of 1 is given by

A.
{0, 5, 10, 15, ...}
B.
{1, 6, 11, 16, ...}
C.
{2, 7, 12, 17, ...}
D.
{4, 9, 14, 19, ...}

Solution:

QUESTION: 25

If The A.M and G.M. between two distinct positive reals are respectively A and G, then the harmonic mean between the numbers is

A.
A/G
B.
G/A
C.
g²/A
D.
A²/G

Solution:

QUESTION: 26

In a Poisson variate X, if P (X = 0) = 0.2 then the variance of the distribution is

A.
2
B.
1
C.
e
D.
log5

Solution:

QUESTION: 27

The equation of the plane through the point (-1, 2, 0) and parallel to the lines (x/3) = (y + 1)/0 = (z - 2)/-1 and (x - 1)/1 = (2y + 1)/2 = (2y + 1)/-1 is

A.
2x + 3y + 6z - 4 = 0
B.
x - 2y + 3z + 5 = 0
C.
x + y - 3z + 1 = 0
D.
x + y + 3z - 1 = 0

Solution:

QUESTION: 28

The value of cot 5º cot 10º.... cot 85º is

A.
1/√2
B.
1
C.
1/2
D.
0

Solution:

QUESTION: 29

If three vectors a=12i+4j+3k, b=8i-12j-9k and c=33i-4j-24k represent the adjacent edges of a cube, then its volume is

A.
616
B.
308
C.
154
D.
none of these

Solution:

QUESTION: 30

If vectors 2λi+j-k and 2j+k are mutually perpendicular, the value of λ is

A.
2
B.
-1
C.
1
D.
any

Solution:

QUESTION: 31

Which of the following can work as a dehyrating agent for alcohols?

A.
H₂SO₄
B.
Al₂O₃
C.
H₃PO₄
D.
All

Solution:

QUESTION: 32

Ions of Ca, Ba and Sr precipitate in fifth group as their

A.
Oxides
B.
Carbonates
C.
Sulphates
D.
Sulphides

Solution:

QUESTION: 33

Azimuthal quantum number of last electron of ₁₁Na is

A.
1
B.
2
C.
3
D.
0

Solution:

QUESTION: 34

IUPAC name of CH₃-O-C₂H₅ is

A.
methoxy ethane
B.
dimethyl ether
C.
ethyl methyl ether
D.
methyl ethyne ether

Solution:

QUESTION: 35

The metal present in vitamin B₁₂ is

A.
iron (II)
B.
manganese (II)
C.
cobalt (III)
D.
magnesium (II)

Solution:

QUESTION: 36

Hydrogen bonding is maximum in

A.
Ethanol
B.
Diethyl ether
C.
Ethyl chloride
D.
Triethyl lattice

Solution:

QUESTION: 37

Specify the coordination geometry around and hybridisation of N and B atoms in a 1 : 1 complex of BF₃ and NH₃―

A.
N−Tetrahedral, sp³; B−Tetrahedral, sp³
B.
N−Pyramidal, sp³; B−Pyramidal, sp³
C.
N−Pyramidal, sp³; B−Planar, sp²
D.
N−Pyramidal, sp³; B−Tetrahedral, sp³

Solution:

The 1 : 1 complex of BF₃ and NH₃ is represented as-

In this complex both N and B attain tetrahedral geometry with sp³ hybridisation.

QUESTION: 38

Which of the following has maximum dipole moment?

A.
NCl₃
B.
NBr₃
C.
NH₃
D.
NI₃

Solution:

Electronegativity difference between N(3.0) and Cl(3.1) is almost zero and hence N―Cl bonds are non-polar. As a result, the overall μ of NCl₃ and its direction is just μ the lone pair of electron. On the other hand N―Br, N―I and N―H bonds are polar. Since the electronegativity difference is highest in case of N―H therefore, NH₃ has the highest dipole moment.

QUESTION: 39

The enthalpy of neutralisation of acid acid and sodium hydroxide is -55.4 KJ.What is the enthalpy ionisation of acetic acid ?

A.
-1.9 KJ
B.
+ 1.9 KJ
C.
+5.54 KJ
D.
-5.54 KJ

Solution:

QUESTION: 40

In the case of gaseous homogeneous reaction,the active mass of the reactant is obtained by the expression

A.
PV/RT
B.
P/RT
C.
RT/P
D.
n/V RT

Solution:

QUESTION: 41

The unit of second order reaction rate constant is

A.
lit⁻¹mol sec⁻¹
B.
lit² mol⁻² sec⁻¹
C.
lit mol⁻¹ sec⁻¹
D.
sec⁻¹

Solution:

QUESTION: 42

Consider the following reaction C + O₂ → CO₂ , ΔH = − 400 kJ ∕ mole 2H₂ + O₂ → 2 H₂O , ΔH = − 570 kJ ∕ mole ; CO₂ + 2H₂O → CH₄ + 2O₂ , ΔH = 800 kJ ∕ mole
The heat of formation of methane is

A.
− 170 kJ//mole
B.
− 1060 kJ/mole
C.
170 kJ/mole
D.
180 kJ/mole

Solution:

C + O₂ → CO₂ , ΔH₁ = − 400 kJ ∕ mole
2H₂ + O₂ → 2 H₂O , ΔH₂ = − 570 kJ ∕ mole
CO₂ + 2H₂O → CH₄ + 2O₂ , ΔH₃ = 800 kJ ∕ mole
To get enthalpy of CH₄, we add all the 3 equations.
C + 2H₂ → CH₄ ∆H₄= ∆H₁+∆H₂+∆H₃ = -400-570+800 = -170 kJ/mol
The correct answer is -170 kJ/mol.

QUESTION: 43

Which of the following is true for an isochoric processes

A.
∆V=0
B.
∆W=0
C.
∆E=0
D.
∆V=∞

Solution:

QUESTION: 44

The bond dissociation energies of H₂,Cl₂ and HCl are 104, 58 and 103 kcal respectively. The enthalpy of formation of HCl gas will be

A.
-44 kcal
B.
-88 kcal
C.
-22 kcal
D.
-11 kcal

Solution:

QUESTION: 45

What is the order of stability for
I.1-butene;II.cis-2-butene;III.trans-2-butene

A.
I <II < III
B.
I > II > III
C.
III > I > II
D.
I > II > III

Solution:

QUESTION: 46

The properties of the elements are the periodic function of their atomic number. The statement is given by

A.
N.Bohr
B.
J.W. Dobereiner
C.
D.I. Mendeleev
D.
H.G.J. Moseley

Solution:

QUESTION: 47

Which one indicate correct variation of electronegativities

A.
F > N < O > C
B.
F > N > O > C
C.
F < N < O < C
D.
F > N > O < C

Solution:

The electronegativity values for the representative elements increase along a period from left to right because of the increase in nuclear charge.
F (4.0) > N (3.0) < O (3.5) > C (2.5).

QUESTION: 48

Which one of the following platinum complexes is used in cancer chemotherapy?

A.
Cis−[PtCl₂(NH₃)₂]
B.
Trans−[PtCl₂(NH₃)₂]
C.
[Pt(NH₃)₄]²⁺
D.
[Pt(Cl₄)]²⁻

Solution:

Cis isomer of [PtCl₂(NH₃)₂] is known as cisplatin and is used as an antitumor agent in treatment of cancer.

QUESTION: 49

Low spin complexes are generally formed by the elements of

A.
3d-series
B.
4d-series
C.
5d-series
D.
both 2 and 3

Solution:

QUESTION: 50

The unit of electrochemical equivalent is

A.
gram
B.
gram/ampere
C.
gram/coulomb
D.
coulombs/gram

Solution:

QUESTION: 51

2.5 Faradays of electricity is passed through solution of CuSO₄.The number of grams equivalents of copper deposited on the cathode would be

A.
1
B.
2
C.
2.5
D.
1.25

Solution:

QUESTION: 52

If 1.5 moles of O₂ combine with Mg to form MgO, then mass of Mg that has combined is (At.wt. of Mg = 24)

A.
72 g
B.
36 g
C.
48 g
D.
24 g

Solution:

QUESTION: 53

Of the following compounds, the most acidic is

A.
As₂O₃
B.
P₂O₅
C.
Sb₂O₃
D.
Bi₂O₃

Solution:

QUESTION: 54

Which one of the following statements ,if any ,regarding hydrogen peroxide is false ?

A.
It is a strong oxidizing as well as reducing agent in acidic as well as basic medium
B.
It is decomposed by MnO₂
C.
It is more stable in a basic solution
D.
It behaves as a reducing agent towards acidified KMnO₄

Solution:

QUESTION: 55

Which of the following is correct?

A.
Reduction of any aldehyde gives secondary alcohol
B.
Reaction of vegetable oil with H₂SO₄ gives glycerine
C.
Alcoholic iodine with NaOH gives iodoform
D.
Sucrose on reaction with NaCl gives invert sugar

Solution:

QUESTION: 56

Which of the following compound will make precipitate most readily with AgNO₃?

A.
CCl₃.CHO
B.
CHCl₃
C.
C₆H₅CH₂Cl
D.
CHI₃

Solution:

QUESTION: 57

Arrange these compounds in order of increasing S_N1 reaction rate :

A.
IV < II < III < I
B.
I < II < III < IV
C.
IV < I < III < II
D.
IV < I < III < II

Solution:

QUESTION: 58

Which is not the electrophile?

A.
B.
C.
BF₃
D.
SO₃

Solution:

QUESTION: 59

Which of the following molecules is achiral ?

A.
B.
CH₃CHBrCl
C.
CH₃CH₂Br
D.

Solution:

QUESTION: 60

Carbolic acid is

A.
aqueous solution of phenol
B.
phenyl benzoate
C.
phenyl acetate
D.
salol

Solution:

QUESTION: 61

The ratio of the largest to shortest wavelengths in Lyman series of hydrogen spectra is

A.
25/9
B.
17/6
C.
9/5
D.
4/3

Solution:

QUESTION: 62

When the length and area of cross-section both are doubled, then its resistance

A.
Will become half
B.
Will be doubled
C.
Will remain the same
D.
Will become four times

Solution:

QUESTION: 63

The more readily fissionable isotope of uranium has an atomic mass of

A.
238
B.
235
C.
236
D.
234

Solution:

QUESTION: 64

A copper wire of resistance R is cut into ten parts of equal length. Two pieces each are joined in series and then five such combinations are joined in parallel. The new combination will have a resistance

A.
R
B.
R/4
C.
R/5
D.
R/25

Solution:

QUESTION: 65

Particle nature is shown by

A.
Photoelectric effect
B.
Diffraction
C.
Polarisation
D.
TIR

Solution:

QUESTION: 66

If an electron and a photon propagate in the form of waves having the same wavelength, it implies that they have the same

A.
Energy
B.
Momentum
C.
Velocity
D.
Angular momentum

Solution:

QUESTION: 67

Which of the following electromagnetic waves have the smallest wavelength?

A.
γ-rays
B.
X-rays
C.
UV waves
D.
infra-red rays

Solution:

QUESTION: 68

The radius of orbit of a planet is two times that of the earth. The time period of planet is

A.
4.2 years
B.
2.8 years
C.
5.6 years
D.
8.4 years

Solution:

QUESTION: 69

A 4μF capacitor is charged to 400V. Then its plates are joined through a 100 Ω resistor. The heat produced in the resistor is

A.
0.64 J
B.
0.32 J
C.
0.16 J
D.
1. 28 J

Solution:

QUESTION: 70

A capacitor of capacitance 1μF is charged to 1KV. The energy stored in the capacitor in joules is

A.
5
B.
0. 5
C.
0. 005
D.
50

Solution:

C = 1μF
V = 1KV
energy stored U = 1/2 (CV²)
= 1/2 x 1 x 1² = 0.5

QUESTION: 71

Gravitational mass is proportional to gravitational

A.
Field
B.
Force
C.
Intensity
D.
All of these

Solution:

QUESTION: 72

The energy supply being cut-off, an electric element cools down to the temperature of its surrounding. But it will not cool further, because

A.
supply is cut-off
B.
it is made of metal
C.
surroundings are radiating
D.
element and surrounding have same temperature

Solution:

QUESTION: 73

The energy emitted per second by a black body at 27ºC is 10J. If the temperature of the black body is increased to 327ºC, then energy emitted per second will be

A.
20 J
B.
40 J
C.
80 J
D.
160 J

Solution:

QUESTION: 74

Four charged particles are projected perpendicularly into the magnetic field with equal speed. Which will have minimum frequency?

A.
Proton
B.
Electron
C.
Li⁺
D.
He⁺

Solution:

QUESTION: 75

Four blocks of same mass connected by cords are pulled by a force F on a smooth horizontal surface, as shown in figure. The tensions T₁, T₂ and T₃ will be

Solution:

QUESTION: 76

A particle starts from rest and has an acceleration of 2m − s⁻² for 10 s. After that, it travels for 30 s with constant speed and then undergoes a retardation of 4 m − s⁻² and comes back to rest. The total distance covered by the particle is

A.
650 m
B.
700 m
C.
750 m
D.
800 m

Solution:

QUESTION: 77

A bottle weighing 220 gram and of area of cross-section 50 cm², and height 4 cm oscillates on the surface of water in vertical position. Its frequency of oscillation is

A.
1.5 Hz
B.
2.5 Hz
C.
3.5 Hz
D.
4.5 Hz

Solution:

QUESTION: 78

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): All processes in which pressure and volume are proportional, take place at constant temperature.
Reason(R): Work done in a thermodynamical process is path dependent.

A.
Both Assertion and Reason are true and Reason is the correct explanation of assertion.
B.
Both Assertion and Reason are true and Reason is not the correct explanation of assertion
C.
Assertion is true but Reason is false.
D.
Assertion is false but Reason is true.

Solution:

QUESTION: 79

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A):Doppler effect holds also for electromagnetic waves including microwaves, radio waves and visible light.
Reason(R) : As speed of light is independent of relative motion between source and observer, the formulae for doppler effect are different from that of sound.

A.
Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B.
Both Assertion and Reason are true and Reason is not the correct explanation of Assertion.
C.
Assertion is true but Reason is false.
D.
Assertion is false but Reason is true.

Solution:

QUESTION: 80

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): When we switch on the lights one after the other in our house the main current goes on increasing.
Reason(R): Voltage = current x resistance

A.
Both Assertion and Reason are true and Reason is the correct explanation of assertion.
B.
Both Assertion and Reason are true and Reason is not the correct explanation of assertion.
C.
Assertion is true but Reason is false.
D.
Both Assertion are Reason are false.

Solution:

QUESTION: 81

Scent sprayer is based on

A.
Charle's law
B.
Archimede's principle
C.
Boyle's law
D.
Bernoulli's theorem

Solution:

QUESTION: 82

Atmospheric pressure is measured by

A.
Hygrometer
B.
Barometer
C.
Pyrometer
D.
Spherometer

Solution:

QUESTION: 83

Two discs have same mass and thickness. Their materials have densities d₁ and d₂. The ratio of their moments of inertia about central axis will be

A.
d₁:d₂
B.
d₁ d₂ :1
C.
1 :d₁ d₂
D.
d₂:d₁

Solution:

QUESTION: 84

If the period of oscillation of mass M suspended from a spring is one second, then the period of 4 M will be

A.
1/2 sec
B.
1/4 sec
C.
2 sec
D.
4 sec

Solution:

QUESTION: 85

A copper block of mass 4 kg is heated in a furnance to a temperature 425ºC and then placed on a large ice block. The mass of ice that will melt in this process will be (Specific heat of copper=500 J-kg⁻¹-ºC⁻¹ and heat of fusion of ice = 336 kJ-kg⁻¹).

A.
0.5 kg
B.
1 kg
C.
1.5 kg
D.
2.5 kg

Solution:

QUESTION: 86

The intensity ratio of the waves is 1 : 16. The ratio of their amplitudes is

A.
1 : 16
B.
1 : 4
C.
4 : 1
D.
2 : 1

Solution:

QUESTION: 87

A convex lens of focal length 0.15m is made of a material of refractive index 3/2. When it is placed in a liquid, its focal length is increased by 0.225m. The refractive index of the liquid is

A.
7/4
B.
5/4
C.
9/4
D.
3/2

Solution:

QUESTION: 88

The ratio of the slopes of P-V diagrams of adibatic and isothermal processes is

A.
γ
B.
1/γ
C.
1+γ
D.
1-γ

Solution: The slope of an adiabatic process is P-V graph DP/DV = y P/V (where P/V is the slope of an isothermal process). Therefore ratio of adiabatic slope to isothermal slope = y.

QUESTION: 89

In young's double slit experiment, the intensity of central maximum is I. It one slit is closed, the intensity at the same place will become

A.
Half
B.
One - fourth
C.
Double
D.
Four times

Solution:

QUESTION: 90

ML⁻¹T⁻² represents

A.
Stress
B.
Young's Modulus
C.
Pressure
D.
All the above three quantities

Solution:

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JEE Main Mock - 14 (Previous Pattern)

90 Questions MCQ Test Mock Test Series for JEE Main & Advanced 2021 | JEE Main Mock - 14 (Previous Pattern)

The area bounded by the curve y = x3, the x-axis and the ordiantes at x = -2 and x = 1 is

The maximum coefficient in the expansion of (1+x)10.

The equation of the circle when touches x-axis at (3,0) and passing through (1,4) is

1

-1

3

0

converse

inverse

contrapositive

none of the above

Both Assertion and Reason are true and Reason is the correct explanation of assertion.

Both Assertion and Reason are true and Reason is not the correct explanation of assertion.

Assertion is true but Reason is false.

Assertion is false but Reason is true.

140

20

70

None of these

11

121

1331

14641

100

90

120

80

2x + 3y + 6z - 4 = 0

x - 2y + 3z + 5 = 0

x + y - 3z + 1 = 0

x + y + 3z - 1 = 0

616

308

154

none of these

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The area bounded by the curve y = x³, the x-axis and the ordiantes at x = -2 and x = 1 is

The maximum coefficient in the expansion of (1+x)¹⁰.