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JEEMAIN-2013
JEEMAIN-2014
JEEMAIN-2015
JEEMAIN-2016
JEEMAIN-2017
If
n
+
2
C
6
n
−
2
P
2
=
11
,
then
n
satisfies the equation :
jeemain 2016 maths set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
If
A
=
[
−
4
−
1
3
1
]
,
then the determinant of the matrix
(
A
2016
−
2
A
2015
−
A
2014
)
is :
jeemain 2016 maths set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
Let
A
be a
3
×
3
matrix such that
A
2
−
5
A
+
7
I
=
O
.
Statement - I :
A
−
1
=
1
7
(
5
I
−
A
)
Statement - II :The polynomial
A
3
−
2
A
2
−
3
A
+
I
can be reduced to
5
(
A
−
4
I
)
.
Then :
jeemain 2016 maths set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
Let
z
=
1
+
a
i
be a complex number,
a
>
0
, such that
z
3
is a real number. Then the sum
1
+
z
+
z
2
+
.
.
.
.
.
+
z
11
is equal to :
jeemain 2016 maths set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
If x is a solution of the equation,
√
2
x
+
1
−
√
2
x
−
1
=
1
,
(
x
≥
1
2
)
, then
√
4
x
2
−
1
is equal to :
jeemain 2016 maths set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
Let
P
=
{
θ
:
sin
θ
−
cos
θ
=
√
2
cos
θ
}
and
Q
=
{
θ
:
sin
θ
+
cos
θ
=
√
2
sin
θ
be two sets. Then :
jeemain 2016 maths set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
Observation of “Rhumann’s purple” is a confirmatory test for the presence of :
jeemain 2016 chemistry set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
Which of the following is a bactericidal antibiotic ?
jeemain 2016 chemistry set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
The “N” which does not contribute to the basicity for the compound is :
jeemain 2016 chemistry set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
Which of the following polymers is synthesized using a free radical polymerization technique ?
jeemain 2016 chemistry set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
Fluorination of an aromatic ring is easily accomplished by treating a diazonium salt with HBF4. Which of the following conditions is correct about this reaction ?
jeemain 2016 chemistry set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
The correct statement about the synthesis of erythritol
(
C
(
C
H
2
O
H
)
4
)
used in the preparation of
P
E
T
N
is :
jeemain 2016 chemistry set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
Which one of the following reagents is not suitable for the elimination reaction ?<p>
jeemain 2016 chemistry set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
Consider the reaction sequence below :
jeemain 2016 chemistry set c 10042016
asked
May 28, 2017
by
priyanka.c
1
answer
A circle passes through
(
−
2
,
4
)
and touches the y-axis at
(
0
,
2
)
. Which one of the following equations can represent a diameter of this circle ?
jeemain
2016
maths
set b
09042016
asked
May 26, 2017
by
meena.p
1
answer
The point
(
2
,
1
)
is translated parallel to the line
L
:
x
−
y
=
4
by
2
√
3
units. If the new point Q lies in the third quadrant, then the equation of the line passing through Q and perpendicular to L is :
jeemain
2016
maths
set b
09042016
asked
May 26, 2017
by
meena.p
1
answer
If a variable line drawn through the intersection of the lines
x
3
+
y
4
=
1
and
x
4
+
y
3
=
1
, meets the coordinate axes at
A
and
B
,
(
A
≠
B
)
,
then the locus of the midpoint of AB is :
jeemain
2016
maths
set b
09042016
asked
May 26, 2017
by
meena.p
1
answer
If
f
(
x
)
is a differentiable function in the interval
(
0
,
∞
)
such that
f
(
1
)
=
1
and
lim
t
→
x
t
2
f
(
x
)
−
x
2
f
(
t
)
t
−
x
=
1
fopr each
x
>
0
then
f
(
3
2
)
is equal to :
jeemain
2016
maths
set b
09042016
asked
May 26, 2017
by
meena.p
1
answer
The area (in sq. units) of the region described by
A
=
{
(
x
,
y
)
|
y
≥
x
2
−
5
x
+
4
,
x
+
y
≥
1
,
y
≤
0
}
is :
jeemain
2016
maths
set b
09042016
asked
May 26, 2017
by
meena.p
1
answer
Bromination of cyclohexene under conditions given below yields :
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
If
2
1
∫
0
tan
−
1
x
d
x
=
1
∫
0
cot
−
1
(
1
−
x
+
x
2
)
d
x
then
1
∫
0
tan
−
1
(
1
−
x
+
x
2
)
d
x
is equal to :
jeemain
2016
maths
set b
09042016
asked
May 26, 2017
by
meena.p
1
answer
Sodium extract is heated with concentrated HNO3 before testing for halogens because :
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
Which one of the following substances used in dry cleaning is a better strategy to control environmental pollution ?
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
If
∫
d
x
cos
3
x
√
2
sin
2
x
=
(
tan
x
)
A
+
C
(
tan
x
)
B
+
k
where k is a constant of integration, then
A
+
B
+
C
equals :
jeemain
2016
maths
set b
09042016
asked
May 26, 2017
by
meena.p
1
answer
The transition metal ions responsible for color in ruby and emerald are, respectively :
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
The minimum distance of a point on the curve
y
=
x
2
−
4
from the origin is :
jeemain
2016
maths
set b
09042016
asked
May 26, 2017
by
meena.p
1
answer
Which of the following is an example of homoleptic complex ?
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
Identify the correct statement :
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
If the tangent at a point
P
,
with parameter
t
, on the curve
x
=
4
t
2
+
3
,
y
=
8
t
3
−
1
,
t
∈
R
,
meets the curve again at a point Q, then the coordinates of Q are :
jeemain
2016
maths
set b
09042016
asked
May 26, 2017
by
meena.p
1
answer
Identify the incorrect statement :
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
Assertion : Among the carbon allotropes, diamond is an insulator, whereas, graphite is a good conductor of electricity </br> Reason : Hybridization of carbon in diamond and graphite are
s
p
3
and
s
p
2
, respectively.
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
If the function
f
(
x
)
=
{
−
x
,
x
<
1
a
+
cos
−
1
(
x
+
b
)
,
1
≤
x
≤
2
is differentiable at
x
=
1
, then
a
b
is equal to :
jeemain
2016
maths
set b
09042016
asked
May 26, 2017
by
meena.p
1
answer
The commercial name for calcium oxide is :
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
Identify the reaction which does not liberate hydrogen :
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
If
lim
x
→
∞
\bigg( 1+ \large\frac{a}{x}-\frac{4]{x^2} \bigg)^{2x} =e^3$, then 'a' is equal to :
jeemain
2016
maths
set b
09042016
asked
May 26, 2017
by
meena.p
1
answer
Extraction of copper by smelting uses silica as an additive to remove :
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
The value of
15
∑
r
=
1
r
2
(
15
C
r
15
C
r
−
1
)
is equal to :
jeemain
2016
maths
set b
09042016
asked
May 26, 2017
by
meena.p
1
answer
The following statements concern elements in the periodic table. Which of the following is true ?
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
Gold numbers of some colloids are : Gelatin : 0.005 - 0.01, Gum Arabic : 0.15 - 0.25; Oleate : 0.04 - 1.0; Starch : 15 - 25. Which among these is a better protective colloid ?
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
The rate law for the reaction below is given by the expression
k
[
A
]
[
B
]
A
+
B
→
P
r
o
d
u
c
t
If the concentration of
B
is increased from
0.1
to
0.3
m
o
l
e
, keeping the value of
A
at
0.1
m
o
l
e
, the rate constant will be :
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
Let
x
,
y
,
z
be positive real numbers such that
x
+
y
+
z
=
12
and
x
3
y
4
z
5
=
(
0.1
)
(
600
)
3
. Then
x
3
+
y
3
+
z
3
is equal to :
jeemain
2016
maths
set b
09042016
asked
May 26, 2017
by
meena.p
1
answer
Oxidation of succinate ion produces ethylene and carbon dioxide gases. On passing
0.2
F
a
r
a
d
a
y
electricity through an aqueous solution of potassium succinate, the total volume of gases (at both cathode and anode) at STP (
1
a
t
m
and
273
K
) is :
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
A solid
X
Y
kept in an evacuated sealed container undergoes decomposition to form a mixture of gases
X
and
Y
at temperature
T
. The equilibrium pressure is
10
b
a
r
in this vessel.
K
p
for this reaction is :
jeemain 2016 chemistry set c 10042016
asked
May 26, 2017
by
priyanka.c
1
answer
An aqueous solution of a salt
M
X
2
at certain temperature has a van’t Hoff factor of
2
. The degree of dissociation for this solution of the salt is :
jeemain 2016 chemistry set c 10042016
asked
May 25, 2017
by
priyanka.c
1
answer
If
100
m
o
l
e
of
H
2
O
2
decompose at
1
b
a
r
and
300
K
,
the work done
(
k
J
)
by one mole of
O
2
(
g
)
as it expands against 1 bar pressure is:
jeemain 2016 chemistry set c 10042016
asked
May 25, 2017
by
priyanka.c
1
answer
The bond angle
H
−
X
−
H
is the greatest in the compound :
jeemain 2016 chemistry set c 10042016
asked
May 25, 2017
by
priyanka.c
1
answer
Aqueous solution of which salt will not contain ions with the electronic configuration
1
s
2
2
s
2
2
p
6
3
s
2
3
p
6
?
jeemain 2016 chemistry set c 10042016
asked
May 25, 2017
by
priyanka.c
1
answer
Initially, the
r
o
o
t
m
e
a
n
s
q
u
a
r
e
(
r
m
s
)
velocity of
N
2
molecules at certain temperature is
u
. If this temperature is doubled and all the nitrogen molecules dissociate into nitrogen atoms, then the new
r
m
s
velocity will be :
jeemain 2016 chemistry set c 10042016
asked
May 25, 2017
by
priyanka.c
1
answer
The volume of
0.1
N
dibasic acid sufficient to neutralize
1
g
of a base that furnishes
0.04
mole of
O
H
−
in aqueous solution is :
jeemain 2016 chemistry set c 10042016
asked
May 25, 2017
by
priyanka.c
1
answer
The ratio
(
R
)
of output resistance
r
0
, and the input resistance
r
i
in measurements of input and output characteristics of a transistor is typically in the range :
jeemain 2016 physics set c 10042016
asked
May 25, 2017
by
priyanka.c
1
answer
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