Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions tagged q49
Questions
Herbicides are
jeemain
chemistry
class11
environmental-chemistry
unit14
q49
medium
asked
Jan 21, 2014
by
sreemathi.v
1
answer
If X is a Poisson variate such that $ P(X=1)=P(x=2)$ the $P(x=4)$ is equal to
jeemain
math
cbse
class12
probability
easy
poisson-variance
q49
asked
Jan 16, 2014
by
thanvigandhi_1
1
answer
Kcrypon ($36_Kr)$ has the electronic configuration $(_{18}Ar)4s^23d^{10}4p^6$,the $37^{th}$ electron will go into which of the following subshells?
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
quantum-mechanical-model
q49
easy
asked
Jan 13, 2014
by
sreemathi.v
1
answer
How many of $KCl$ would have to be dissolved in 60g $H_2O$ to give 20% by weight of solution?
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q49
easy
asked
Jan 9, 2014
by
sreemathi.v
1
answer
The product of $3$ numbers in $GP$ is $1000$. If $6$ and $7$ are added to the $2^{nd}$ and $3^{rd}$ terms respectively, the terms form an $AP.$ Find the $GP$.
jeemain
math
class11
ch9
sequences-and-series
easy
relationship-between-ap-and-gm
q49
asked
Jan 3, 2014
by
yamini.v
1
answer
The lines $\overrightarrow r=\overrightarrow a_1+\lambda\overrightarrow b_1$ and $\overrightarrow r=\overrightarrow a_2+\alpha \overrightarrow b_2$ are coplanar if ?
jeemain
math
class12
ch11
3d-geometry
coplanar-lines
medium
q49
asked
Jan 3, 2014
by
rvidyagovindarajan_1
1
answer
$\lim\limits_{x\to 2}\large\frac{2^x+2^{3-x}-6}{\sqrt{2^{-x}-2^{1-x}}}$ is
jeemain
math
class11
ch13
limits-and-derivatives
introduction to limits
easy
q49
asked
Dec 24, 2013
by
sreemathi.v
1
answer
Integrate: $\int \limits_{-2}^{2} axb +bx^3+(cx+d)$, at which coefficient its value depend
jeemain
math
class12
ch7
integral-calculus
integrals-as-an-anti-derivative
easy
q49
asked
Dec 16, 2013
by
meena.p
1
answer
The circuit is equivalent to
aipmt
modelpaper
physics
2008
q49
asked
Dec 16, 2013
by
thanvigandhi_1
0
answers
At $25^oC$ the specific conductance of a saturated solution of $AgCl$ is $2.68\times 10^{-4}Sm^{-1}$ and that of water with which the solution was made is $0.86\times 10^{-4}Sm^{-1}$.If molar conductances at infinite dilution of $AgNO_3,HNO_3$ and $HCl$ are respectively,$1.33$$\times 10^{-4},421\times 10^{-4}$ and $426\times10^{-4}Sm^2mol^{-1}$,calculate solubility of $AgCl$in grams per $dm^3$ in water at given temperature
jeemain
chemistry
unit8
redox-reactions-and-electrochemistry
q49
difficult
asked
Dec 12, 2013
by
sreemathi.v
1
answer
Identify the trisaccharide in the following
jeemain
eamcet
biology
2002
q49
asked
Dec 9, 2013
by
thanvigandhi_1
0
answers
Fluid mosaic model of cell membrane proposed by
jeemain
eamcet
biology
2001
q49
asked
Dec 2, 2013
by
thanvigandhi_1
0
answers
Which of the following doesn't participate in the solvay's process for manufacture of $Na_2CO_3$
jeemain
chemistry
unit15
p-block-elements
q49
medium
sec-a
asked
Nov 28, 2013
by
sreemathi.v
1
answer
The $pH$ of a dilute solution of acetic acid was found to be 4.3. The addition of a small crystal of sodium acetate will cause $pH$ to
sat
chemistry
chemical-equilibrium
jeemain
aipmt
equilibrium
medium
q49
biology
asked
Nov 27, 2013
by
mosymeow_1
1
answer
Reticulate and scalariform thickenings are found in one of the "following :
jeemain
eamcet
biology
2000
q49
asked
Nov 26, 2013
by
thanvigandhi_1
0
answers
The following hormone induces dormancy in potatoes
jeemain
eamcet
biology
1999
q49
asked
Nov 23, 2013
by
thanvigandhi_1
0
answers
If $B$ is a non-singular matrix and A is a square matrix then $det(B^{-1}AB)$ is equal to
jeemain
math
class12
ch4
determinants
q49
adjoint-and-inverse
easy
asked
Nov 21, 2013
by
sreemathi.v
1
answer
If $|\overrightarrow a|=|\overrightarrow b|=1$ and $|\overrightarrow a+\overrightarrow b|=\sqrt 3$ and $\overrightarrow c$ is such that $\overrightarrow c-\overrightarrow a-2\overrightarrow b=3(\overrightarrow a\times\overrightarrow b)$, then $\overrightarrow c.\overrightarrow b=?$
jeemain
math
class12
ch10
vector-algebra
difficult
addition-of-vectors
q49
asked
Nov 19, 2013
by
rvidyagovindarajan_1
1
answer
The process by which a new structure is formed in the tissue of the host during parasitic infection :
jeemain
eamcet
biology
2010
q49
asked
Nov 13, 2013
by
thanvigandhi_1
0
answers
The area of the triangle formed by the pair of straight lines $(ax+by)^2-3(bx-ay)^2=0$ and $ax+by+c=0$, is :
jeemain
eamcet
math
2005
q49
asked
Nov 12, 2013
by
meena.p
1
answer
The centroid of the triangle formed by the pair of straight lines $12x^2+20xy+7y^2=0$ and the line $2x-3y+4=0$ is
jeemain
eamcet
math
2006
q49
asked
Nov 6, 2013
by
meena.p
1
answer
In a population of 5000, 200 individuals exhibit a trait for recessive allele 'a'. Find out the frequency of the dominant and recessive alleles in the population.
jeemain
eamcet
biology
2011
q49
asked
Oct 27, 2013
by
thanvigandhi_1
1
answer
The angle between the pair of straight lines formed by joining the points of intersection of $x^2+y^2=4$ and $y=3x+c$ to the origin is a right angle. Then $c^2$ is equal to
jeemain
eamcet
math
2007
q49
asked
Oct 25, 2013
by
meena.p
1
answer
When the same amount of zinc is treated separately with excess of $H_2SO_4$ and excess of $NaOH$,the ratio of volumes of $H_2$ evolved is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
law-of-chemical-combination
q49
medium
asked
Oct 25, 2013
by
sreemathi.v
1
answer
The value of $\lambda$ such that $\lambda x^2-10 xy+12 y^2+5x-16y-3=0$ represents a pair of straight lines, is
jeemain
eamcet
math
2008
q49
asked
Oct 17, 2013
by
meena.p
1
answer
Hemimetabolus insect which is nocturnal and sanguivorous is
jeemain
eamcet
biology
2012
q49
asked
Oct 17, 2013
by
thanvigandhi_1
1
answer
In a circle of diameter 50cm,the length of a chord is 25cm.Find the length of the minor arc of the chord.
jeemain
math
class11
ch3
trigonometric-functions
q49
angles
medium
asked
Oct 17, 2013
by
sreemathi.v
1
answer
The equation of the circle which pass through the origin and makes intercepts of lengths 4 and 8 on the x- and y- axis respectively, are :
jeemain
eamcet
math
2009
q49
asked
Oct 10, 2013
by
meena.p
1
answer
If $\alpha\cos^23\theta+\beta\cos^4\theta=16\cos^6\theta+9\cos^2\theta$ is an identity then
jeemain
math
class11
ch3
trigonometric-function
q49
trignometric-identities
easy
asked
Oct 9, 2013
by
sreemathi.v
1
answer
A body floats on mercury with $\large\frac{1}{3}$ of its volume below the surface. Another liquid of density $\large\frac{1}{10}$ that of mercury is poured on top to cover the body completely. What is the fraction of cube now immersed.
jeemain
physics
class11
unit7
properties-of-solids-and-fluids
q49
difficult
asked
Oct 8, 2013
by
meena.p
1
answer
Arrange the ganglia of Autonomous nervous system of cockroach in correct sequence from anterior to posterior end
jeemain
eamcet
biology
2013
q49
asked
Oct 5, 2013
by
thanvigandhi_1
1
answer
The equation of the radical axis of the pair of circles $7x^2+7y^2-7x+14y+18=0$ and $4x^2+4y^2-7x+8y+20=0$ is :
jeemain
eamcet
math
2010
q49
asked
Sep 27, 2013
by
meena.p
1
answer
The magnitude of the projection of the vector $\bar {a}=4 \bar {i}-3 \bar {j}+2 \bar k $ on the line which makes equal angles with the coordinate axes is
jeemain
eamcet
math
2011
q49
asked
Sep 23, 2013
by
meena.p
1
answer
The circle $4x^2+4y^2-12 x-12y+9=0$
jeemain
eamcet
math
2013
q49
asked
Sep 16, 2013
by
meena.p
1
answer
The coordinating number of the ions in the CsCI crystal lattice is ................. .
jeemain
eamcet
chemistry
1991
fitb
q49
asked
Sep 12, 2013
by
meena.p
0
answers
A satellite of mass $m_s$ revolving in a circular orbit of radius $r_s$ round the earth of mass M has a total energy E. Then its angular momentum will be
jeemain
physics
class11
unit6
gravitation
q49
difficult
asked
Aug 22, 2013
by
meena.p
1
answer
Potential energy of certain spring when stretched through a distance of $x=10 J$. The amount of work that must be done on this spring to stretch it through an additional distance $x$ will be
jeemain
physics
class11
unit4
work-power-energy
q49
easy
asked
Jul 22, 2013
by
meena.p
1
answer
A homogeneous chain of length L lies on a table. The coefficient of friction between chain and table is $\mu$. The maximum length which can hang over the table in equilibrium is ( The vertical portion of table is smooth)
jeemain
physics
class11
unit3
laws-of-motion
q49
medium
asked
Jul 10, 2013
by
meena.p
1
answer
The dimensions of electrical resistance is
jeemain
physics
class11
ch2
units-and-measurement
q49
easy
dimensional-formulae-and-analysis
asked
Jun 19, 2013
by
meena.p
1
answer
If $x=r\cos\theta,y=r\sin\theta,$ then $\large\frac{\partial r}{\partial x}$ is equal to
tnstate
class12
bookproblem
p234
objective
q49
modelpaper
jun-2009
asked
May 20, 2013
by
poojasapani_1
1
answer
The point of intersection of the lines $\large\frac{x-6}{-6}=\frac{y+4}{4}=\frac{z-4}{-8} $ and $\large\frac{x+1}{2}=\frac{y+2}{4}=\frac{z+3}{-2}$ is
tnstate
class12
bookproblem
p269
objective
q49
modelpaper
oct-2007
jun-2009
asked
May 11, 2013
by
poojasapani_1
1
answer
Six dice are thrown 729 times. How many times do you expect atleast three dice to show 5 or 6.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q49
p43
math
asked
Feb 5, 2013
by
meena.p
1
answer
Evaluate:\[\int \frac {2 \sin x +3 \cos x}{3 \sin x+4 \cos x}dx\]
cbse
class12
additionalproblem
kvquestionbank2012
ch7
q49
p27
math
asked
Feb 3, 2013
by
meena.p
0
answers
Of all the rectangles each of which has perimeter 40 metres find one which has maximum area.Find the area also.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q49
p19
math
asked
Jan 29, 2013
by
meena.p
0
answers
Using LMV Theorem, find a point on the curve $ y=(x-3)^2,$ where the tangent is parallel to the chord joining (3,0) and (5,4).
cbse
class12
additionalproblem
kvquestionbank2012
ch5
q49
p15
easy
math
asked
Jan 28, 2013
by
meena.p
1
answer
If $ A=\begin{bmatrix} a & b \\ 0 & 1 \end{bmatrix}\;prove\;that\;A^n=\begin{bmatrix} \Large a^n & \Large\frac{b(a^n-1)}{a-1} \\ \normalsize 0 & 1 \end{bmatrix},n \epsilon N$
cbse
class12
additionalproblem
kvquestionbank2012
ch3
q49
p10
math
sec-b
asked
Jan 24, 2013
by
meena.p
0
answers
The differential equation $y\Large \frac{dy}{dx}\normalsize+x=c$ represents:\begin{array}{1 1}(A)\;family \;of \;hyperbolas & (B)\;family \;of \;parabolas \\(C)\;family \;of \;ellipses & (D)\;family\; of \;circles\end{array}
cbse
class12
ch9
sec-a
q49
p197
objective
exemplar
medium
math
asked
Jan 18, 2013
by
sreemathi.v
1
answer
$\Large \int\frac{dx}{\sin(x-a)\sin(x-b)}$ is equal to\begin{array}{1 1}(A)\;\sin(b-a)\log\begin{vmatrix}\frac{\sin(x-b)}{\sin(x-a)}\end{vmatrix}+C & (B)\;cosec(b-a)\log\begin{vmatrix}\frac{\sin(x-a)}{\sin(x-b)}\end{vmatrix}+C \\(C)\;cosec(b-a)\log\begin{vmatrix}\frac{\sin(x-b)}{\sin(x-a)}\end{vmatrix}+C &(D)\;\sin(b-a)\log\begin{vmatrix}\frac{\sin(x-a)}{\sin(x-b)}\end{vmatrix}+C \end{array}
cbse
class12
ch7
q49
p167
objective
exemplar
sec-b
difficult
math
asked
Jan 15, 2013
by
sreemathi.v
1
answer
The function $f(x)=4\sin^3x-6\sin^2x+12sin x+100$ is strictly
cbse
class12
ch6
q49
p140
objective
exemplar
easy
sec-a
math
asked
Jan 11, 2013
by
sreemathi.v
1
answer
Let X be a discrete random variable whose probability distribution is defined as follows:\[P(X=x)=\left \{\begin{array}{1 1}k(x+1) & for\;x=1,2,3,4\\2kx & for\;x=5,6,7\\0 & otherwise\end{array} \right.\]where k is a constant. Calculate\[(i)\;the\;value\;of\;k\quad(ii)\;E(X)\quad(iii)\;standard\;deviation\;of\;X\]
cbse
class12
ch13
q49
p277
exemplar
sec-c
difficult
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
Page:
« prev
1
2
3
next »
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...