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Recent questions tagged p275
ASK
The angle between the asymptotes to the hyperbola $\large\frac{x^{2}}{16}-\frac{y^{2}}{9}=$$1 $ is
tnstate
class12
bookproblem
p275
objective
q110
modelpaper
mar-2008
asked
May 14, 2013
by
poojasapani_1
1
answer
The equation of the chord of contact of tangents from $(2 , 1 )$ to the hyperbola $\large\frac{x^{2}}{16}-\frac{y^{2}}{9}$$=1 $ is
tnstate
class12
bookproblem
p275
objective
q109
asked
May 14, 2013
by
poojasapani_1
1
answer
The line $5x-2y+4k=0 $ is a tangent to $4x^{2}-y^{2}=36$ then $k$ is
tnstate
class12
bookproblem
p275
objective
q108
modelpaper
oct-2006
asked
May 14, 2013
by
poojasapani_1
1
answer
The directrices of the hyperbola $x^{2}-4(y-3)^{2}=16$ are
tnstate
class12
bookproblem
p275
objective
q107
modelpaper
mar-2006
jun-2009
asked
May 14, 2013
by
poojasapani_1
1
answer
The difference between the focal dintences of any point on the hyperbola $\large\frac{x^{2}}{a^{2}}-\frac{y^{2}}{b^{2}}=$$1$ is $24$ and the eccentricity is $2$. Then the equation of the hyperbola is
tnstate
class12
bookproblem
p275
objective
q106
modelpaper
mar-2007
asked
May 14, 2013
by
poojasapani_1
1
answer
The eccentricity of the hyperbola $ 12y^{2}-4x^{2}-24x+48y-127=0$ is
tnstate
class12
bookproblem
p275
objective
q104
modelpaper
oct-2009
mar-2010
asked
May 14, 2013
by
poojasapani_1
1
answer
The eccentricity of the hyperbola whose latus rectum is equal to half of its conjugate axis is
tnstate
class12
bookproblem
p275
objective
q105
modelpaper
jun-2006
jun-2007
asked
May 14, 2013
by
poojasapani_1
1
answer
The locus of foot of perpendicular from the focus to a tangent of the curve $ 16x^{2}+25y^{2}=400$ is
tnstate
class12
bookproblem
p275
objective
q103
modelpaper
mar-2009
asked
May 13, 2013
by
poojasapani_1
1
answer
The radius of the director circle of the conic $9x^{2}+16y^{2}=144 $ is
tnstate
class12
bookproblem
p275
objective
q102
modelpaper
oct-2006
jun-2008
asked
May 13, 2013
by
poojasapani_1
1
answer
The sum of the distance of any point on the ellipse $ 4x^{2}+9y^{2}=36 $ from $(\sqrt{5},0) and (-\sqrt{5} ,0) $ is
tnstate
class12
bookproblem
p275
objective
q101
modelpaper
mar-2006
oct-2009
asked
May 13, 2013
by
poojasapani_1
1
answer
The straight line $2x-y+c=0$ is a tangent to the ellipse $ 4x^{2}+8y^{2}=32$ if $c$ is
tnstate
class12
bookproblem
p275
objective
q100
modelpaper
oct-2008
asked
May 13, 2013
by
poojasapani_1
1
answer
If the length of major and semi-minor axis of an ellipse are $8 , 2 $ and their corresponding equations are $y-6=0 $ and $x+4=0 $ then the equations of the ellipse is
tnstate
class12
bookproblem
p275
objective
q99
asked
May 13, 2013
by
poojasapani_1
1
answer
The random variable X can take only the values 0,1,2.Given that P(x=0)=P(X=1)=P and that E($X^2$)=E[X],find the value of p.
cbse
class12
ch13
q36
p275
short-answer
exemplar
sec-a
easy
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
Find the probability distribution of the maximum of two scores obtained when a die is thrown twice .Determine also the mean of the distribution.
cbse
class12
ch13
q35
p275
short-answer
exemplar
sec-b
medium
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
Two natural numbers r,s are drawn one at a time,without replacement from the set S=1,2,3,......,n.Find $P[r\leq p|s\leq p],where \;p\in S$
cbse
class12
ch13
q34
p275
short-answer
exemplar
sec-a
easy
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
Suppose that 6% of the people with blood group O are left handed and 10% of those with other blood groups are left handed 30% of the people have blood group O.If a left handed person is selected at random,what is the probability that he/she will have blood group O?
cbse
class12
ch13
q33
p275
short-answer
exemplar
sec-a
easy
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
Suppose you have two coins which appear identical in your pocket.you know that one is fair and one is 2 headed.If you take one out,toss it and get a head,what is the probability that it was a fair coin?
cbse
class12
ch13
q32
p275
short-answer
exemplar
sec-a
medium
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
A factory produces bulbs,The probability that any one bulb is defective is $\Large \frac{1}{50}$ and they are packed in boxes of 10.From a single box,find the probability that\begin{array}{1 1}(i)\;none\;of\;the\;bulbs\;is \;defective.\\(ii)\;exactly\;two\;bulbs\;are\;defective\\(iii)\;more\;than\;8\;bulbs\;work\;properly\end{array}
cbse
class12
ch13
q31
p275
short-answer
exemplar
sec-a
easy
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
Two probability distributions of the discrete random variable X and Y are given below.
cbse
class12
ch13
q30
p275
short-answer
exemplar
sec-a
easy
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
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