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Mathematics
List of top Mathematics Questions
The acute angle between the hour hand and minute hand of a clock when the time is
$5\, hours$
and
$40\, minute$
is
COMEDK UGET - 2008
COMEDK UGET
Mathematics
measurement of angles
If
$\int \frac{1}{x+x^{5}}dx =f\left(x\right)+c , $
then
$\int \frac{x^{4}}{x+x^{5}} dx = $
COMEDK UGET - 2008
COMEDK UGET
Mathematics
integral
If
$\vec{a} = \hat{i} + \lambda \hat{j} + 2 \hat{k}$
and
$\vec{b} = \mu \hat{i} + \lambda \hat{j} + 2 \hat{k}$
are orthogonal and if
$|\vec{a} | = |\vec{b}|$
, then
$(\lambda, \mu)$
=
COMEDK UGET - 2008
COMEDK UGET
Mathematics
Vector Algebra
If
$\vec{a} , \vec{b} ,\vec{c}$
are unit vectors and
$\theta$
is the angle between them, then
$| \vec{a} - \vec{b}| = $
COMEDK UGET - 2008
COMEDK UGET
Mathematics
Vector Algebra
$\lim_{x\to0} \frac{\tan x -\sin x}{x^{3}} = $
COMEDK UGET - 2008
COMEDK UGET
Mathematics
limits and derivatives
If
$y =\left(1+x\right)\left(1+x^{2}\right) ....\left(1+x^{100}\right),$
then
$\frac{dx}{dy} $
at
$x = 0$
is
COMEDK UGET - 2008
COMEDK UGET
Mathematics
limits and derivatives
If a set
$A$
has
$n$
elements, then the number of relations on
$A$
is
COMEDK UGET - 2008
COMEDK UGET
Mathematics
Relations and functions
If
$C$
is the centre of the ellipse
$\frac{x^{2}}{16} + \frac{y^{2}}{9} = 1 $
and S is one of the foci, then the ratio of CS to semi-minor axis of the ellipse is
COMEDK UGET - 2008
COMEDK UGET
Mathematics
Conic sections
If
$\log (x + z) + \log (x - 2y + z) = 2 \log (x - z),$
then
$ x, y, z$
are in
COMEDK UGET - 2008
COMEDK UGET
Mathematics
Sequence and series
$\displaystyle\lim_{n\to\infty} \frac{1^{2}+2^{2} +...+n^{2}}{4n^{3}+6n^{2}-5n+1}=$
COMEDK UGET - 2008
COMEDK UGET
Mathematics
limits and derivatives
The modulus and amplitude of
$\frac{ 1 + 2i}{1 - (1 - i)^2}$
are respectively
COMEDK UGET - 2008
COMEDK UGET
Mathematics
Complex numbers
The derivative of
$\sin x^{\circ} \, \, \cos x$
with respect to
$x$
is
COMEDK UGET - 2008
COMEDK UGET
Mathematics
Differentiability
The angles
$A, B$
and
$C$
of a triangle
$ABC$
are in A.P. If
$b : c =\sqrt {3} : \sqrt {2}$
then the angle
$A$
is
KCET - 2008
KCET
Mathematics
measurement of angles
If
$n$
is a non-negative integer and
$A = \begin{bmatrix}1&0\\ 1&1\end{bmatrix} $
, then
$A^n = $
COMEDK UGET - 2008
COMEDK UGET
Mathematics
Matrices
$R $
is a relation on
$N$
given by
$R =\{(x, y ) | 4x +3y = 20\}$
. Which of the following belongs to
$R$
?
KCET - 2008
KCET
Mathematics
Relations
$\begin{bmatrix}0&a\\ b&0\end{bmatrix}^{^4}=I$
, then
VITEEE - 2008
VITEEE
Mathematics
Matrices
A spherical balloon is expanding. If the radius is increasing at the rate of
$2$
centimeters per minute, the rate at which the volume increases (in cubic centimeters per minute) when the radius is
$5$
centimetres is
VITEEE - 2008
VITEEE
Mathematics
Application of derivatives
If the $m^{th}$ term and the nth term of an $AP$ are respectively $\frac{1}{n}$ and $\frac{1}{m}$, then the $(mn )^{th}$ term of the $AP$ is
WBJEE - 2008
WBJEE
Mathematics
Sequence and series
The coefficient of $ x^{-10}$ in $\left(x^{2} - \frac{1}{x^{3}}\right)^{10}$ is
WBJEE - 2008
WBJEE
Mathematics
Binomial theorem
The value of $\left(1-\omega+\omega^{2}\right)^{5} + \left(1+\omega -\omega^{2}\right)^{5}, $ where $\omega$ and $\omega^2$ are the complex cube roots of unity, is
WBJEE - 2008
WBJEE
Mathematics
Complex numbers
The number of ways four boys can be seated around a round-table in four chairs of different colours is
WBJEE - 2008
WBJEE
Mathematics
permutations and combinations
The function $f(x ) = xe^{1-x}$ is
WBJEE - 2008
WBJEE
Mathematics
Application of derivatives
Area enclosed by the curve
$\pi\left[4\left(x-\sqrt{2}\right)^{2} +y^{2}\right]=8$
is
VITEEE - 2008
VITEEE
Mathematics
applications of integrals
The differential equation of the family of curves $y = e^{2x} (a \,\cos\, x + b \,\sin\, x)$, where $a$ and $b$ are arbitrary constants, is given by
WBJEE - 2008
WBJEE
Mathematics
General and Particular Solutions of a Differential Equation
The number of solutions for the equation
$Sin\, 2x + Cos \; 4x = 2$
is
KCET - 2008
KCET
Mathematics
General and Particular Solutions of a Differential Equation
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