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iit jee
| 2008
Solutions for all the questions from iit jee
of year 2008
EXAM
board examination
iit jee
jee advanced
jee main
neet
rtb
YEAR
All
2008
SUBJECT
math
class 11
Math
Co-ordinate Geometry
Parabola
A parabola has the origin as its focus and the line
$x=2$
as the directrix. Then the vertex of the parabola is at
class 12
Math
Algebra
Probability
It is given that the events A and B are such that
$P(A)=41 ,P(BA )=21 andp(AB )=32 ˙$
Then P(B) is:
class 11
Math
Algebra
Sequences And Series
The first two terms of a geometric progression add up to 12. The sum of the third and the fourth terms is 48. If the terms of the geometric progression are alternately positive and negative, then the first term is
class 11
Math
Algebra
Probability
A die is thrown. Let A be the event that the number obtained is greater than 3. Let B be the event that the number obtained is less than 5. Then
$P(A∪B)$
is
class 11
Math
Algebra
Permutations And Combinations
In a shop there are five types of ice-creams available. A child buys six ice-creams.Statement -1: The number of different ways the child can buy the six ice-creams is
$_{10}C_{5}$
.Statement -2: The number of different ways the child can buy the six ice-creams is equal to thenumber of different ways of arranging 6 As and 4 Bs in a row.
class 12
Math
Algebra
Relations
Let R be the real line. Consider the following subsets of the plane
$R×R$
.
$S={(x,y):y=x+1and0<x<2},T={(x,y):x−y$
is an integer }. Which one of the following is true?
class 12
Math
Algebra
Vector Algebra
The nonzero verctors
$a$
,
$b$
and
$c$
are related by
$a=8b and c=−7b$
. Then the angle between
$a$
and
$c$
is
class 11
Math
Algebra
Statistics
The mean of the numbers a, b, 8, 5, 10 is 6 and the variance is 6.80. Then which one of the followinggives possible values of a and b?
class 12
Math
3D Geometry
Three Dimensional Geometry
The line passing through the points (5, 1, a) and (3, b, 1) crosses the yzplane at the point
$(0,217 ,2−13 )$
.Then
class 11
Math
Co-ordinate Geometry
Ellipse
A focus of an ellipse is at the origin. The directrix is the line
$x=4$
and the eccentricity is 1/2. Then the length of the semimajor axis is
1
2
3
4
5
6
7
8
9
10
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iit jee
| 2008
Solutions for all the questions from iit jee
of year 2008
Filter Results
EXAM
board examination
iit jee
jee advanced
jee main
neet
rtb
YEAR
All
2008
SUBJECT
math
class 11
Math
Co-ordinate Geometry
Parabola
A parabola has the origin as its focus and the line
$x=2$
as the directrix. Then the vertex of the parabola is at
class 12
Math
Algebra
Probability
It is given that the events A and B are such that
$P(A)=41 ,P(BA )=21 andp(AB )=32 ˙$
Then P(B) is:
class 11
Math
Algebra
Sequences And Series
The first two terms of a geometric progression add up to 12. The sum of the third and the fourth terms is 48. If the terms of the geometric progression are alternately positive and negative, then the first term is
class 11
Math
Algebra
Probability
A die is thrown. Let A be the event that the number obtained is greater than 3. Let B be the event that the number obtained is less than 5. Then
$P(A∪B)$
is
class 11
Math
Algebra
Permutations And Combinations
In a shop there are five types of ice-creams available. A child buys six ice-creams.Statement -1: The number of different ways the child can buy the six ice-creams is
$_{10}C_{5}$
.Statement -2: The number of different ways the child can buy the six ice-creams is equal to thenumber of different ways of arranging 6 As and 4 Bs in a row.
class 12
Math
Algebra
Relations
Let R be the real line. Consider the following subsets of the plane
$R×R$
.
$S={(x,y):y=x+1and0<x<2},T={(x,y):x−y$
is an integer }. Which one of the following is true?
class 12
Math
Algebra
Vector Algebra
The nonzero verctors
$a$
,
$b$
and
$c$
are related by
$a=8b and c=−7b$
. Then the angle between
$a$
and
$c$
is
class 11
Math
Algebra
Statistics
The mean of the numbers a, b, 8, 5, 10 is 6 and the variance is 6.80. Then which one of the followinggives possible values of a and b?
class 12
Math
3D Geometry
Three Dimensional Geometry
The line passing through the points (5, 1, a) and (3, b, 1) crosses the yzplane at the point
$(0,217 ,2−13 )$
.Then
class 11
Math
Co-ordinate Geometry
Ellipse
A focus of an ellipse is at the origin. The directrix is the line
$x=4$
and the eccentricity is 1/2. Then the length of the semimajor axis is
1
2
3
4
5
6
7
8
9
10
Previous
page
1 / 2
You're on page
1
page
2
Next
page
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