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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 12
Math
Algebra
Probability
A dice is thrown repeatedly till two successive
$4_{′}s$
are obtained then find the probability this process stops at 5th throw (A)
$6_{5}75 $
(B)
$6_{5}125 $
(C)
$6_{5}175 $
(D)
$6_{5}35 $
class 11
Math
Algebra
Fundamental Of Mathematics
$((p∧q)∨(p∨q))∧(p∧q)$
is equivalent to (A)
$p∧q$
(B)
$p∧q$
(C)
$p∨q$
(D)
$p∨q$
class 12
Math
3D Geometry
Three Dimensional Geometry
The system of linear equations
$x+2y+4z=a,3x−y+5z=b,2x−3y+z=c$
have more than two solutions then which of following is true (A)
$b−a−c=0$
(B)
$c−a−b=0$
(C)
$a−b−c=0$
(D)
$a+b+c=0$
class 11
Math
Algebra
Binomial Theorem
If the middle term of the expansion of
$(3x_{3} +x3 )_{8}$
is
$5670$
then sum of all real values of
$x$
is equal to (A)
$6$
(B)
$3$
(C)
$0$
(D)
$2$
class 12
Math
Calculus
Definite Integral
Let
$f(x)=f(a−x)andg(x)+g(a−x)=4then∫_{0}f(x)g(x)dx$
is equal to (A)
$2∫_{0}f(x)dx$
(B)
$∫_{0}f(x)dx$
(C)
$4∫_{0}f(x)dx$
(D)
$0$
class 12
Math
3D Geometry
Three Dimensional Geometry
A line
$2x+y=1$
intersect co-ordinate axis at points
$A$
and
$B$
. A circle is drawn passing through origin and point
$A$
&
$B$
. If perpendicular from point
$A$
and
$B$
are drawn on tangent to the circle at origin then sum of perpendicular distance is (A)
$2 5 $
(B)
$25 $
(C)
$45 $
(D)
$25 $
class 12
Math
3D Geometry
Three Dimensional Geometry
Two circle of equal radii are intersect at
$(0,1)and(0,1)$
, and the tangent at
$(0,1)$
to one of those passes through the centre of other. Then the distance between the centres is equal to (A)
$2c$
(B)
$2 $
(C)
$2 1 $
(D)
$21 $
class 11
Math
Algebra
Permutations And Combinations
Set
$A={1,2,3,…..10}$
find the number of subsets of
$A$
such that the product of all the elements in the subset is even (A)
$2_{51}(2_{50}−1)$
(B)
$2_{50}(2_{50}−1)$
(C)
$2_{50}(2_{51}−1)$
(D)
$2_{51}(2_{49})−1)$
class 11
Math
Algebra
Binomial Theorem
Value of r for which expression
$20C_{r}C_{0}+20C_{r−2}C_{1}+20C_{r−2}C_{2}+………+20C_{0}C_{r}$
is maximum is equal to (A) 10 (B) 20 (C) 15 (D) 11
class 12
Math
Calculus
Inverse Trigonometric Functions
Let
$tan_{−1}2x+tan_{−1}3x=4π $
where
$x≥0$
. Let
$S$
is the set containing all the solutions of the equation then
$S$
contains (A) one element (B) Two element (C) more than two element (D) none of these
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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 12
Math
Algebra
Probability
A dice is thrown repeatedly till two successive
$4_{′}s$
are obtained then find the probability this process stops at 5th throw (A)
$6_{5}75 $
(B)
$6_{5}125 $
(C)
$6_{5}175 $
(D)
$6_{5}35 $
class 11
Math
Algebra
Fundamental Of Mathematics
$((p∧q)∨(p∨q))∧(p∧q)$
is equivalent to (A)
$p∧q$
(B)
$p∧q$
(C)
$p∨q$
(D)
$p∨q$
class 12
Math
3D Geometry
Three Dimensional Geometry
The system of linear equations
$x+2y+4z=a,3x−y+5z=b,2x−3y+z=c$
have more than two solutions then which of following is true (A)
$b−a−c=0$
(B)
$c−a−b=0$
(C)
$a−b−c=0$
(D)
$a+b+c=0$
class 11
Math
Algebra
Binomial Theorem
If the middle term of the expansion of
$(3x_{3} +x3 )_{8}$
is
$5670$
then sum of all real values of
$x$
is equal to (A)
$6$
(B)
$3$
(C)
$0$
(D)
$2$
class 12
Math
Calculus
Definite Integral
Let
$f(x)=f(a−x)andg(x)+g(a−x)=4then∫_{0}f(x)g(x)dx$
is equal to (A)
$2∫_{0}f(x)dx$
(B)
$∫_{0}f(x)dx$
(C)
$4∫_{0}f(x)dx$
(D)
$0$
class 12
Math
3D Geometry
Three Dimensional Geometry
A line
$2x+y=1$
intersect co-ordinate axis at points
$A$
and
$B$
. A circle is drawn passing through origin and point
$A$
&
$B$
. If perpendicular from point
$A$
and
$B$
are drawn on tangent to the circle at origin then sum of perpendicular distance is (A)
$2 5 $
(B)
$25 $
(C)
$45 $
(D)
$25 $
class 12
Math
3D Geometry
Three Dimensional Geometry
Two circle of equal radii are intersect at
$(0,1)and(0,1)$
, and the tangent at
$(0,1)$
to one of those passes through the centre of other. Then the distance between the centres is equal to (A)
$2c$
(B)
$2 $
(C)
$2 1 $
(D)
$21 $
class 11
Math
Algebra
Permutations And Combinations
Set
$A={1,2,3,…..10}$
find the number of subsets of
$A$
such that the product of all the elements in the subset is even (A)
$2_{51}(2_{50}−1)$
(B)
$2_{50}(2_{50}−1)$
(C)
$2_{50}(2_{51}−1)$
(D)
$2_{51}(2_{49})−1)$
class 11
Math
Algebra
Binomial Theorem
Value of r for which expression
$20C_{r}C_{0}+20C_{r−2}C_{1}+20C_{r−2}C_{2}+………+20C_{0}C_{r}$
is maximum is equal to (A) 10 (B) 20 (C) 15 (D) 11
class 12
Math
Calculus
Inverse Trigonometric Functions
Let
$tan_{−1}2x+tan_{−1}3x=4π $
where
$x≥0$
. Let
$S$
is the set containing all the solutions of the equation then
$S$
contains (A) one element (B) Two element (C) more than two element (D) none of these
1
2
3
4
5
6
7
8
9
10
Previous
page
1 / 18
You're on page
1
page
2
page
3
page
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page
5
page
...
page
18
Next
page
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