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jee main
| 2019
Solutions for all the questions from jee main
of year 2019
EXAM
board examination
iit jee
jee advanced
jee main
neet
rtb
YEAR
All
2019
SUBJECT
math
30
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class 11
Math
Co-ordinate Geometry
Parabola
There si a parabola having axis as
$x$
-axis, vertex is at a distance of
$2$
unit from origin & focus is at
$(4,0)$
. Which of the following point does not lie on the parabola. (a)
$(6,8)$
(b)
$(5,26 )$
(c)
$(8,43 )$
(d)
$(4,−4)$
class 12
Math
Algebra
Probability
From a well shuffled deck of cards,
$2$
cards are drawn with replacement. If
$x$
represent numbers of time ace coming, then the value of
$P(x=1)+P(x=2)$
is (a)
$16925 (b)$
(24)/(169) (c)
$16949 (d)$
(23)/(169)
class 12
Math
3D Geometry
Three Dimensional Geometry
A plane parallel to
$y$
-axis passing through line of intersection of planes
$x+y+z=1$
&
$2x+3y−z−4=0$
which of the point lie on the plane (a)
$(3,2,1)$
(b)
$(−3,0,1)$
(c)
$(−3,1,1)$
(d)
$(3,−1,1)$
class 12
Math
Algebra
Matrices
Consider the system of equation
$x+y+z=1,2x+3y+2z=1,2x+3y+(a_{2}−1)z=a+1$
then (a) system has a unique solution for
$∣a∣=3 $
(b) system is inconsistence for
$∣a∣=3 $
(c) system is inconsistence for
$a=4$
(d) system is inconsistence for
$a=3$
class 11
Math
Calculus
Limits And Derivatives
$y→∞lim y_{4}1+1+y_{4} −2 =$
(a)
class 11
Math
Co-ordinate Geometry
Straight Lines
If
$px+qx+r=0$
represent a family fo staright lines such that
$3p+2q+4r=0$
then (a) All lines are parallel (b) All lines are incosistance (c) All lines are concurrent at \displaystyle{\left(\frac{{{3}}}{{{4}}},\right.}
class 12
Math
3D Geometry
Three Dimensional Geometry
Find the equation of line through
$(−4,1,3)$
& parallel to the plane
$x+y+z=3$
while the line intersects another line whose eqution is
$x+y−z=x+2y−3z+5$
(a) \displaystyle\frac{{{x}+{4}}}{{-{3}}}=\frac{{{y}-{1}}}{{-{2}}}=\frac{{{z}-{3}}}{}
class 12
Math
Calculus
Differential Equations
If
$y(x)$
is solution of \displaystyle{x}\frac{{{\left.{d}{y}\right.}}}{{{\left.{d}{x}\right.}}}+{2}{y}={x}^{{{2}}},{y}
class 11
Math
Algebra
Binomial Theorem
$i=1∑20 ._{20}C_{i}+._{20}C_{i−1}._{20}C_{i−1} =21k $
then find the value of k. (a) 400 (b) 100 (c) 50 (d) 200
class 12
Math
Algebra
Probability
A coin is tossed if head turns up then pair of dice is thrown and sum of numbers is noted. If tail turns up then a card numbered from 1 to 9 is drawn and number is noted, then find the probability that number is
$7or8$
. (a)
$3613 $
(b)
$7215 $
(c)
$7219 $
(d)
$3611 $
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jee main
| 2019
Solutions for all the questions from jee main
of year 2019
30
JEE MAINS
Crash Course
●LIVE
Classes starting
15
^{th}
June 2021
30 Students | 90 Days | 24x7 Video Doubt Support
₹16000
₹8000
KNOW MORE
30
JEE MAINS
Crash Course
●LIVE
Classes starting
15
^{th}
June 2021
30 Students | 90 Days | 24x7 Video Doubt Support
₹16000
₹8000
KNOW MORE
Filter Results
EXAM
board examination
iit jee
jee advanced
jee main
neet
rtb
YEAR
All
2019
SUBJECT
math
class 11
Math
Co-ordinate Geometry
Parabola
There si a parabola having axis as
$x$
-axis, vertex is at a distance of
$2$
unit from origin & focus is at
$(4,0)$
. Which of the following point does not lie on the parabola. (a)
$(6,8)$
(b)
$(5,26 )$
(c)
$(8,43 )$
(d)
$(4,−4)$
class 12
Math
Algebra
Probability
From a well shuffled deck of cards,
$2$
cards are drawn with replacement. If
$x$
represent numbers of time ace coming, then the value of
$P(x=1)+P(x=2)$
is (a)
$16925 (b)$
(24)/(169) (c)
$16949 (d)$
(23)/(169)
class 12
Math
3D Geometry
Three Dimensional Geometry
A plane parallel to
$y$
-axis passing through line of intersection of planes
$x+y+z=1$
&
$2x+3y−z−4=0$
which of the point lie on the plane (a)
$(3,2,1)$
(b)
$(−3,0,1)$
(c)
$(−3,1,1)$
(d)
$(3,−1,1)$
class 12
Math
Algebra
Matrices
Consider the system of equation
$x+y+z=1,2x+3y+2z=1,2x+3y+(a_{2}−1)z=a+1$
then (a) system has a unique solution for
$∣a∣=3 $
(b) system is inconsistence for
$∣a∣=3 $
(c) system is inconsistence for
$a=4$
(d) system is inconsistence for
$a=3$
class 11
Math
Calculus
Limits And Derivatives
$y→∞lim y_{4}1+1+y_{4} −2 =$
(a)
class 11
Math
Co-ordinate Geometry
Straight Lines
If
$px+qx+r=0$
represent a family fo staright lines such that
$3p+2q+4r=0$
then (a) All lines are parallel (b) All lines are incosistance (c) All lines are concurrent at \displaystyle{\left(\frac{{{3}}}{{{4}}},\right.}
class 12
Math
3D Geometry
Three Dimensional Geometry
Find the equation of line through
$(−4,1,3)$
& parallel to the plane
$x+y+z=3$
while the line intersects another line whose eqution is
$x+y−z=x+2y−3z+5$
(a) \displaystyle\frac{{{x}+{4}}}{{-{3}}}=\frac{{{y}-{1}}}{{-{2}}}=\frac{{{z}-{3}}}{}
class 12
Math
Calculus
Differential Equations
If
$y(x)$
is solution of \displaystyle{x}\frac{{{\left.{d}{y}\right.}}}{{{\left.{d}{x}\right.}}}+{2}{y}={x}^{{{2}}},{y}
class 11
Math
Algebra
Binomial Theorem
$i=1∑20 ._{20}C_{i}+._{20}C_{i−1}._{20}C_{i−1} =21k $
then find the value of k. (a) 400 (b) 100 (c) 50 (d) 200
class 12
Math
Algebra
Probability
A coin is tossed if head turns up then pair of dice is thrown and sum of numbers is noted. If tail turns up then a card numbered from 1 to 9 is drawn and number is noted, then find the probability that number is
$7or8$
. (a)
$3613 $
(b)
$7215 $
(c)
$7219 $
(d)
$3611 $
1
2
3
4
5
6
7
8
9
10
Previous
page
1 / 18
You're on page
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page
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page
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