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Recent questions tagged q62
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If $f: R \to R $ is defined by $f(x)= \left\{ \begin{array}{1 1} \large\frac{x+2}{x^2-3x+2} & \quad if & \quad x\in R -[-1,-2] \\ -1 & \quad if & \quad x=-2 \\ 0 & \quad if & \quad x=-1 \end{array} \right. $ then $f$ is continuous on the set :
jeemain
eamcet
math
2005
q62
asked
Nov 13, 2013
by
meena.p
1
answer
If $ 0 < p < q,$ then $\lim \limits _{n \to x}( q^n+p^n)^{1/n}$ is equal to :
jeemain
eamcet
math
2006
q62
asked
Nov 6, 2013
by
meena.p
1
answer
The blood group of a woman is 'O'. She has two brothers ; one with 'A' group and the other with 'B' group. The genotypes of her parents are :
jeemain
eamcet
biology
2011
q62
asked
Oct 30, 2013
by
thanvigandhi_1
1
answer
A gaseous alkane was exploded with oxygen.The volume of $O_2$ for complete combustion to $CO_2$ formed was in the ratio of 7 : 4.The molecular formula of alkane is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q62
medium
asked
Oct 28, 2013
by
sreemathi.v
1
answer
If $f(x)= \left\{ \begin{array}{1 1} \frac{\sin(1+[x])}{[x]}, & \quad for\;[x] \neq 0 \\ 0, & \quad for\;[x] =0 \end{array} \right. $ where $[x]$ denotes the greatest integer not exceeding x, then $\lim \limits _{x \to 0} f(x)$ is equal to
jeemain
eamcet
math
2007
q62
asked
Oct 26, 2013
by
meena.p
1
answer
The ciliate which has peristomial cilia is
jeemain
eamcet
biology
2012
q62
asked
Oct 17, 2013
by
thanvigandhi_1
1
answer
If $f: \Re $ is defined by $f(x)= \left\{ \begin{array}{1 1} \frac{\cos 3x- \cos x}{x^2} & \quad for\;x\neq 0 \\ \lambda & \quad for\;x=0 \end{array}. \right. $ and if f is continuous at $x=0,$ then $\lambda=$
jeemain
eamcet
math
2008
q62
asked
Oct 17, 2013
by
meena.p
1
answer
The radius of the sphere $x^2+y^2+z^2=12 x +4y+3z$ is :
jeemain
eamcet
math
2009
q62
asked
Oct 10, 2013
by
meena.p
1
answer
Find the value of $\tan\large\frac{\pi}{8}$
jeemain
math
class11
ch3
trigonometric-functions
q62
trigonometric-identities
easy
asked
Oct 10, 2013
by
sreemathi.v
1
answer
What is the duration of one cardiac cycle in man when the heart beats for 75 times per minute?
jeemain
eamcet
biology
2013
q62
asked
Oct 6, 2013
by
thanvigandhi_1
1
answer
If $(2,3,-3)$ is one end of a diameter of the sphere $x^2+y^2+z^2-6x-12y-2z+20=0$ then the other end of the diameter is :
jeemain
eamcet
math
2010
q62
asked
Sep 27, 2013
by
meena.p
1
answer
The image of the point $(3,8)$ in the line $x+3y=7$ is
jeemain
eamcet
math
2011
q62
asked
Sep 23, 2013
by
meena.p
1
answer
A variable plane passes through a fixed point $(1,2,3)$. Then the foot of the perpendicular from the origin to the plane lies on
jeemain
eamcet
math
2013
q62
asked
Sep 16, 2013
by
meena.p
1
answer
The mass of earth is $6.00 \times 10^{24} \;kg $ and that of the moon is $7.40 \times 10 ^{22} \;kg \;$ and $G= 6.67 \times 10^{-11} Nm^2 /kg^2$. potential energy of the system is $-7.79 \times 10^{28} J$. The mean distance of between earth and moon is
jeemain
physics
class11
unit6
gravitation
q62
easy
asked
Aug 23, 2013
by
meena.p
1
answer
Graph shows the acceleration of a 3 kg particle as an applied force moves it from rest along x-axis. The total work done by the force on the particle by the time the particle reaches $x=6\;m$ is equal to
jeemain
physics
class11
unit4
work-power-energy
q62
easy
asked
Aug 6, 2013
by
meena.p
1
answer
A balloon of mass 30 kg is falling down with an acceleration of $1.8m/s^{-2}$.Then some mass is removed from the balloon.As a result the balloon moves upwards with an acceleration of $2.2 ms^{-2}$. The mass removed from the balloon is
jeemain
physics
class11
unit3
laws-of-motion
q62
medium
asked
Jul 11, 2013
by
meena.p
1
answer
A bullet fired into a plank loses half of its velocity after penetrating a thickness of $3 cm$. assuming that it has constant force of resistance, how much further does it penetrate before coming to rest
jeemain
physics
class11
unit2
kinematics
q62
difficult
asked
Jun 28, 2013
by
meena.p
1
answer
The value of $\int\limits_{0}^{1}x(1-x)^{4}dx$ is
tnstate
class12
bookproblem
p235
objective
q62
modelpaper
mar-2006
mar-2009
asked
May 21, 2013
by
poojasapani_1
1
answer
The points $z_{1} , z_{2} , z_{3} , z_{4} $ in the complex plane are the vertices of a parallelogram taken in order if and only if
tnstate
class12
bookproblem
p271
objective
q62
asked
May 12, 2013
by
poojasapani_1
1
answer
Evaluate:\[\int _0^{\pi/2} \frac{dx}{(a^2\sin^2x+b^2\cos^2x)^2}\]
cbse
class12
additionalproblem
kvquestionbank2012
ch7
q62
p28
math
asked
Feb 3, 2013
by
meena.p
0
answers
Evaluate:\[\int _0^{\pi/4} log(1+\tan \theta) d\theta\]
cbse
class12
additionalproblem
kvquestionbank2012
ch7
q62
p28
math
asked
Feb 3, 2013
by
meena.p
0
answers
The surface area of a spherical bubble is increasing at the rate of $ 2 cm^2$/sec. Find the rate at which the volume of the bubble is increasing at the instant if its radius is 6 cm.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q62
p20
math
asked
Jan 29, 2013
by
meena.p
0
answers
The curve for which the slope of the tangent at any point is equal to the ratio of the abscissa to the ordinate of the point is
class12
cbse
ch9
sec-a
q62
p199
objective
exemplar
easy
jeemain
differential-equations
math
asked
Jan 19, 2013
by
sreemathi.v
1
answer
$\Large\int\frac{\sin x}{3+4\cos^2x}$$dx$=___________.
cbse
class12
ch7
q62
p169
fitb
exemplar
sec-b
difficult
math
asked
Jan 15, 2013
by
sreemathi.v
1
answer
The value of a for which the function $f(x)=sin x-ax+b$ increases on R are__________.
cbse
class12
ch6
q62
p142
fitb
exemplar
sec-a
medium
math
asked
Jan 12, 2013
by
sreemathi.v
1
answer
If $x\sin(a+y)+\sin a\cos(a+y)=0,prove\;that\;\large {\frac{dy}{dx}=\frac{\sin^2(a+y)}{\sin a}}$
cbse
class12
ch5
q62
p111
short-answer
exemplar
sec-b
difficult
math
asked
Jan 2, 2013
by
sreemathi.v
1
answer
If A is matrix of order $m\times n$ and B is a matrix such that AB' and B'A are both defined,then order of matrix B is
cbse
class12
ch3
q62
p61
objective
exemplar
sec-a
easy
math
asked
Dec 24, 2012
by
sreemathi.v
1
answer
True or False: A binary operation on a set has always the identity element.
cbse
class12
ch1
q62
p17
true-or-false
exemplar
concepts
toolbox
math
sec-a
asked
Dec 20, 2012
by
sreemathi.v
1
answer
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