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Recent questions tagged q45
Questions
If $ \sqrt{1-y^2}-\sqrt{1-x^2}=a(x-y),\normalsize$ then find $\large\frac{dy}{dx}$
cbse
class12
additionalproblem
kvquestionbank2012
ch5
q45
p14
sec-b
difficult
math
jeemain
limits-continuity-and-differentiability
asked
Feb 5, 2014
by
rvidyagovindarajan_1
1
answer
Find the coordinate of double ordinate of parabola $y^2=4ax$?
jeemain
math
class11
coordinate-geometry-conic-sections
parabola
ch11
q45
easy
asked
Feb 5, 2014
by
sreemathi.v
1
answer
The general solution of the differential equation $\large\frac{dy}{dx}=\frac{-y}{x}$ is a family of curves which looks most like which of the following
jeemain
math
class12
ch9
differential-equations
ordinary-differential-equations
q45
difficult
asked
Feb 5, 2014
by
meena.p
1
answer
Which of the following facts about the complex $[Cr(NH_3)_6]Cl_3$ is wrong
jeemain
chemistry
class12
coordination-compounds
unit9
q45
medium
asked
Feb 3, 2014
by
sreemathi.v
1
answer
The geometric mean of $ 2.262.....2^n$ is
jeemain
math
cbse
class11
statistics
measures-of-dispersion-(g.m)
medium
q45
asked
Jan 29, 2014
by
thanvigandhi_1
1
answer
Which is doped heaviest in a transistor
jeemain
physics
class12
unit19
ch14
q45
easy
semiconductor-electronics
concepts
asked
Jan 28, 2014
by
meena.p
1
answer
Oxone is a compound of
jeemain
chemistry
class11
s-block-elements
unit10
q45
medium
asked
Jan 28, 2014
by
sreemathi.v
1
answer
In $10^5$g of a sample of water contained 16.2g of $Ca(HCO_3)_2$ then the hardness is
jeemain
chemistry
class11
hydrogen
unit9
q45
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
A high or good quality water will have
jeemain
chemistry
class11
environmental-chemistry
unit14
q45
medium
asked
Jan 21, 2014
by
sreemathi.v
1
answer
From a pack of 52 cards, two cards are drawn at random. Then the probability that one is a king and the other is a queen is
jeemain
math
cbse
class12
probability
easy
q45
asked
Jan 15, 2014
by
thanvigandhi_1
1
answer
Which of the following statement is (are) correct ?
sat
atomic-structure
jeemain
chemistry
physical-chemistry
class11
unit2
quantum-mechanical-model
q45
easy
asked
Jan 10, 2014
by
sreemathi.v
1
answer
$RH_2$(ion exchange resin)can replace $Ca^{2+}$ in hand water as,$RH_2+Ca^{2+}\rightarrow RCa+ 2H^+$.1 litre of hard water passing through $RH_2$ has PH is 2.Hence hardness in PPM of $Ca^{2+}$ is:
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q45
easy
asked
Jan 8, 2014
by
sreemathi.v
1
answer
If a, b, c, d are in GP, what is the progression of $a^n + b^n$, $b^n + c^n$, $c^n + d^n$.
jeemain
math
class11
ch9
sequences-and-series
easy
geometric-progression
q45
asked
Jan 3, 2014
by
yamini.v
1
answer
The coordinates of the point on the line through $(3,-4,-5)$ and $(2,-3,1)$ at which the line crosses the plane $2x+y+z=5$ is ?
jeemain
math
class12
ch11
3d-geometry
intersection-of-lines-and-planes
medium
q45
asked
Jan 2, 2014
by
rvidyagovindarajan_1
1
answer
$\lim\limits_{n\to\infty}\large\frac{n^p\sin^2(n!)}{n+1}$$\qquad0 < p < 1$ is equal to
jeemain
math
ch13
limits-continuity-and-differentiability
introduction to limits
easy
q45
asked
Dec 24, 2013
by
sreemathi.v
1
answer
Two nuclei have their mass numbers in the ratio of 1 : 3. The ratio of their nuclear densities would be :
aipmt
modelpaper
physics
2008
q45
asked
Dec 16, 2013
by
thanvigandhi_1
1
answer
$\int \limits_0^1 e^{x^2}. (x- \alpha) dx $. then , $\alpha =? $
jeemain
math
class12
unit7
integral-calculus
properties-of-definite-integrals
medium
q45
asked
Dec 16, 2013
by
meena.p
1
answer
Which of following graph is correct?
jeemain
chemistry
unit8
redox-reactions-and-electrochemistry
q45
difficult
asked
Dec 12, 2013
by
sreemathi.v
1
answer
The characteristic fruit type in Asteraceae is
jeemain
eamcet
biology
2002
q45
asked
Dec 9, 2013
by
thanvigandhi_1
0
answers
The position of the odd sepal in Caesalpiniaceae is
jeemain
eamcet
biology
2001
q45
asked
Dec 2, 2013
by
thanvigandhi_1
0
answers
Which of the following can be used as anaesthetic
jeemain
chemistry
unit15
p-block-elements
q45
medium
asked
Nov 27, 2013
by
sreemathi.v
1
answer
Pairing of homologous chromosomes take place during :
jeemain
eamcet
biology
2000
q45
asked
Nov 26, 2013
by
thanvigandhi_1
0
answers
At a certain temperature, the value of $\rho K_w$ is 13.4 and the measured $\rho H$ of a soltuion is 7. The solution is
jeemain
aipmt
chemistry
equilibrium
medium
q45
biology
asked
Nov 23, 2013
by
mosymeow_1
1
answer
Stomatal closure is induced by
jeemain
eamcet
biology
1999
q45
asked
Nov 23, 2013
by
thanvigandhi_1
0
answers
If $D=\begin{vmatrix}1&1&1\\1&1+x&1\\1&1&1+y\end{vmatrix}$ for $x\neq 0,y\neq 0$ then $D$ is
jeemain
math
class12
ch4
determinants
q45
evaluate-determinants
easy
asked
Nov 21, 2013
by
sreemathi.v
1
answer
The greatest value of $|\overrightarrow a+\overrightarrow b|+|\overrightarrow a-\overrightarrow b|$ where $\overrightarrow a\:\:and\:\:\overrightarrow b$ are unit vectors is ?
jeemain
math
class12
ch10
vector-algebra
medium
addition-of-vectors
q45
asked
Nov 18, 2013
by
rvidyagovindarajan_1
1
answer
Match the types of animal tissues given under List - I with the parts / organs in which they occur, given under List - II :
jeemain
eamcet
biology
2010
q45
asked
Nov 12, 2013
by
thanvigandhi_1
0
answers
If a point P moves such that its distances from the point $A(1,1)$ and the line $x+y+z=0$ are equal, then locus of P is :
jeemain
eamcet
math
2005
q45
asked
Nov 12, 2013
by
meena.p
1
answer
The lines $x-y-2=0,x+y-4=0$ and $x+3y=6$ meet in the common point
jeemain
eamcet
math
2006
q45
asked
Nov 6, 2013
by
meena.p
1
answer
In Convolula the tissue present between the gut and body wall is :
jeemain
eamcet
biology
2011
q45
asked
Oct 27, 2013
by
thanvigandhi_1
1
answer
In order to eliminate the first degree terms from the equation $2x^2+4xy+5y^2-4x-22y+7=0,$ the point to which origin is to be shifted, is
jeemain
eamcet
math
2007
q45
asked
Oct 25, 2013
by
meena.p
1
answer
The percentage of sodium in a break-fast cereal,labelled as 110mg of sodium per 100g of cereal is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
percentage-composition
q45
medium
asked
Oct 25, 2013
by
sreemathi.v
1
answer
If the sum of the distances of a point P from two perpendicular lines in a plane is 1, then the locus of P is a
jeemain
eamcet
math
2008
q45
asked
Oct 17, 2013
by
meena.p
1
answer
Which one of the following statements is true about 'Diapedesis'?
jeemain
eamcet
biology
2012
q45
asked
Oct 17, 2013
by
thanvigandhi_1
1
answer
Evaluate : $\sin^{-1}\large\frac{4}{5}$$+\sin^{-1}\large\frac{5}{13}$$+\sin^{-1}\large\frac{16}{65}$
jeemain
math
class12
ch2
inverse-trigonometric-functions
q45
inverse-trignometric-properties
medium
asked
Oct 17, 2013
by
sreemathi.v
1
answer
The equation of the straight line perpendicular to the straight line $3x+2y=0$ and passing through the point of intersection of the lines $x+3y-1=0$ and $x-2y+4=0$ is :
jeemain
eamcet
math
2009
q45
asked
Oct 10, 2013
by
meena.p
1
answer
If $cosec A+\cot A=\large\frac{11}{2}$ then $\tan A$ is
jeemain
math
class11
ch3
trigonometric-functions
q45
trignometric-identities
easy
asked
Oct 9, 2013
by
sreemathi.v
1
answer
The energy released when $1000$ small drops each of radius $10^{-7}\;m$ coalesce to from a single big drop is (Surface tension of liquid is $14 \times 10^{-2}\;N/m$)
jeemain
physics
class11
unit7
properties-of-solids-and-fluids
q45
easy
asked
Oct 8, 2013
by
meena.p
1
answer
Which one of the following became an endangered species as a result of extinction of Raphus Cucullatus?
jeemain
eamcet
biology
2013
q45
asked
Oct 5, 2013
by
thanvigandhi_1
1
answer
A straight line which makes equal intercepts on positive X and Y axes and which is at a distance 1 unit from the origin intersects the straight line $y=2x+3+\sqrt 2 $ at $(x_0,y_0).$ Then $ 2x_0+y_0=$
jeemain
eamcet
math
2010
q45
asked
Sep 27, 2013
by
meena.p
1
answer
For $0 < x \leq \pi, \sin h^{-1} (\cot x)=$
jeemain
eamcet
math
2011
q45
asked
Sep 20, 2013
by
meena.p
1
answer
If the points $(1,2)$ and $(3,4) $ lie on the same side of the straight line $ 3x-5y+a=0$ then a lies in the set
jeemain
eamcet
math
2013
q45
asked
Sep 16, 2013
by
meena.p
1
answer
The weight of oxalic acid crystals $H_2C_2O_2.2H_2O$ required to prepare $500\;mL$ of $0.2\;N$ solution is ................... .
jeemain
eamcet
chemistry
1991
fitb
q45
asked
Sep 12, 2013
by
meena.p
0
answers
Three identical stars each of mass M form an equilateral triangle that rotates around the center of the triangle. The system is isolated and edge length of the triangle of the triangle is L. The amount of work that is required to dismantle the system is
jeemain
physics
class11
unit6
gravitation
q45
medium
asked
Aug 21, 2013
by
meena.p
1
answer
Two curves $x^3-3xy^2+2=0$ and $3x^2-y^3-2=0$ intersect at an angle of
cbse
class12
ch6
q45
p140
objective
exemplar
sec-a
difficult
math
asked
Aug 12, 2013
by
sreemathi.v
1
answer
When kinetic energy of body is increased by 300 % momentum of body is increased by
jeemain
physics
class11
unit4
work-power-energy
q45
easy
asked
Jul 22, 2013
by
meena.p
1
answer
In the figure $A=10 kg,B=5 kg$ and coefficient of friction between A and table is $ \mu=0.2$ . find the minimum value of mass C which may stop A from slipping
jeemain
physics
class11
unit3
laws-of-motion
q45
difficult
asked
Jul 10, 2013
by
meena.p
1
answer
Heat generated in a circuit is given by $H=I^2Rt$, $I$ is current $R$ is resistance, $t$ is time. If percentage error in measuring $I$, $R$ and $t$ are $2 \%,1\%$ and $1\%$ respectively. what is the maximum error in measuring heat
jeemain
physics
class11
ch2
units-and-measurement
q45
easy
accuracy-precision-and-errors-in-measurement
asked
Jun 19, 2013
by
meena.p
1
answer
If $u=x^{y}$ then$\large\frac{\partial u}{\partial x}$ is equal to
tnstate
class12
bookproblem
p233
objective
q45
modelpaper
oct-2008
asked
May 20, 2013
by
poojasapani_1
1
answer
The point of intersection of the line $\overrightarrow{r}=(\overrightarrow{i}-\overrightarrow{k}) + t(\overrightarrow{3i}+\overrightarrow{2j}+\overrightarrow{7k})$ and the plane $\overrightarrow{r}. (\overrightarrow{i}+\overrightarrow{j}-\overrightarrow{k})=8 $ is
tnstate
class12
bookproblem
p269
objective
q45
modelpaper
mar-2007
mar-2008
asked
May 10, 2013
by
poojasapani_1
1
answer
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