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Recent questions tagged p274
ASK
The distance between the foci of the ellipse $9x^{2}+5y^{2}=180 $ is
tnstate
class12
bookproblem
p274
objective
q98
modelpaper
jun-2009
asked
May 13, 2013
by
poojasapani_1
1
answer
The length of the semi-major and the length of the semi-minor axis of the ellipse $\large\frac{x^{2}}{144}+\frac{y^{2}}{169}$=$1$ are
tnstate
class12
bookproblem
p274
objective
q97
asked
May 13, 2013
by
poojasapani_1
1
answer
The eccentricity of the conic $9x^{2}+5y^{2}-54x-40y+116=0 $ is
tnstate
class12
bookproblem
p274
objective
q96
modelpaper
mar-2007
asked
May 13, 2013
by
poojasapani_1
1
answer
The angle between the two tangents drawn from the point $(-4 , 4)$ to $y^{2}=16x $ is
tnstate
class12
bookproblem
p274
objective
q95
modelpaper
jun-2008
asked
May 13, 2013
by
poojasapani_1
1
answer
The tangents at the end of any focal chord to the parabola $y^{2}=12x$ intersect on the line
tnstate
class12
bookproblem
p274
objective
q94
modelpaper
jun-2007
asked
May 13, 2013
by
poojasapani_1
1
answer
The line $ 2x+3y+9=0$ touches the parabola $y^{2}=8x$ at the point
tnstate
class12
bookproblem
p274
objective
q93
modelpaper
mar-2006
asked
May 13, 2013
by
poojasapani_1
1
answer
The vertex of the parabola $ x^{2}=8y-1$ is
tnstate
class12
bookproblem
p274
objective
q92
asked
May 13, 2013
by
poojasapani_1
1
answer
The focus of the parabola $x^{2}=16y$ is
tnstate
class12
bookproblem
p274
objective
q91
asked
May 13, 2013
by
poojasapani_1
1
answer
The length of the latus rectum of the parabola whose vertex is $(2 ,-3)$ and the directrix $ x=4 $ is
tnstate
class12
bookproblem
p274
objective
q90
modelpaper
oct-2009
asked
May 13, 2013
by
poojasapani_1
1
answer
The diretrix of the parabola $y^{2}=x+4$ is
tnstate
class12
bookproblem
p274
objective
q89
asked
May 13, 2013
by
poojasapani_1
1
answer
The length of the latus rectum of the parabola $y^{2}-4x+4y+8=0$ is
tnstate
class12
bookproblem
p274
objective
q88
modelpaper
mar-2007
mar-2009
asked
May 13, 2013
by
poojasapani_1
1
answer
Two biased dice are thrown together.For the first die $P(6)=\Large \frac{1}{2}$,the other scores being equally likely while for the second die,$P(1)=\Large \frac{2}{5}$ and the other scores are equally likely.Find the probability distribution of 'the number of ones seen'.
cbse
class12
ch13
q29
p274
short-answer
exemplar
sec-a
easy
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
A die is thrown three times.Let X be 'the number of twos seen'.Find the expectation of X.
cbse
class12
ch13
q28
p274
short-answer
exemplar
easy
sec-a
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
A biased die is such that $P(4)=\Large \frac{1}{10}$ and other scores being equally likely.The die is tossed twice.If X is the number of fours seen',find the variance of the random variable X.
cbse
class12
ch13
q27
p274
short-answer
exemplar
sec-a
easy
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
For the following probability distribution determine standard deviation of the random variable X.
cbse
class12
ch13
q26
p274
short-answer
exemplar
sec-a
easy
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
The probability distribution of a random variable X is given below:
cbse
class12
ch13
q25
p274
short-answer
exemplar
sec-a
easy
math
asked
Jan 9, 2013
by
sreemathi.v
0
answers
Consider the probability distribution of a random variable X.
cbse
class12
ch13
q24
p274
short-answer
exemplar
sec-a
easy
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
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