>
Mathematics
List of top Mathematics Questions
Solution of
$e^\frac {dy}{dx} = x$
when
$x = 1$
and
$y = 0$
is
KCET - 2012
KCET
Mathematics
Order and Degree of Differential Equation
The sum of the series
$ 5-\frac{10}{3}+\frac{20}{9}-\frac{40}{27}+.... $
is equal to
JKCET - 2012
JKCET
Mathematics
Sequence and series
The sum $1\times 1! + 2 \times 2! + ... + 50 \times 50!$ equals
WBJEE - 2012
WBJEE
Mathematics
Arithmetic Progression
The value of the integral
$ \int_{0}^{1}{x{{(1-x)}^{49}}\,dx} $
is equal to
JKCET - 2012
JKCET
Mathematics
Definite Integral
If
$ ^{m+n}P{{ }_{2}}=90 $
and
$ ^{m-n}P{{ }_{2}}=30, $
then
$ (m,n) $
is given by (where, m and n are positive integers)
JKCET - 2012
JKCET
Mathematics
permutations and combinations
If
$ f(x)={{(1+x)}^{n}}, $
then the value of
$ f(0)+f'(0)+\frac{f'\,'(0)}{2!}+.....+\frac{{{f}^{(n)}}(0)}{n!} $
is equal to
JKCET - 2012
JKCET
Mathematics
Differentiability
Let
$ P(x,y) $
be a point on the curve
$ {{y}^{2}}=4x $
at which the tangent is perpendicular to the line
$ 2x+y=-2. $
Then, the coordinates of the point
$P$
are
JKCET - 2012
JKCET
Mathematics
Application of derivatives
If the points
$ (2a,\,a),\,(a,\,2a) $
and
$ (a,\,\,a) $
form a triangle of area
$ 32\text{ }sq $
units, then the centroid of the triangle is
JKCET - 2012
JKCET
Mathematics
Determinants
Let
\(f:R\to R\)
be a function such that the third derivative of
\(f(x)\)
vanishes for all
\(x\)
. If
\(f(0)=1,\,f'(2)=4\)
and
\(f''(1)=2,\)
then
\(f(x)\)
equals to
JKCET - 2012
JKCET
Mathematics
Differentiability
In the binomial expansion of
$ {{(a-b)}^{n}},\,\,n\,\,\ge \,5, $
the sum of
$5^{th}$
and
$6^{th}$
term is zero. Then,
$ \frac{a}{b} $
is equal to
JKCET - 2012
JKCET
Mathematics
Binomial theorem
If
$ f(x)={{\log }_{e}}\,(1+x)-{{\log }_{e}}(1-x), $
then the value of
$ \int_{-1/2}^{1/2}{f(x)\,\,\,dx} $
equals to
JKCET - 2012
JKCET
Mathematics
Integrals of Some Particular Functions
The angle between the two lines
$ \frac{2-x}{1}=\frac{y}{2}=\frac{z+3}{1} $
and
$ \frac{x-4}{4}=\frac{y-1}{1}=\frac{z-5}{2} $
is
JKCET - 2012
JKCET
Mathematics
Three Dimensional Geometry
If
$p :$
The earth is round,
$q : 3 + 4 = 7 $
then
$\left(\sim p\right)\vee\left(\sim q\right)$
is
KEAM - 2012
KEAM
Mathematics
mathematical reasoning
If
$\frac{\sin x}{\cos x} \times \frac{\sec x}{\operatorname{cosec} x} \times \frac{\tan x}{\cot x}=9, $
where
$x \in\left(0, \frac{\pi}{2}\right)$
, then the value of
$x$
is equal to
KEAM - 2012
KEAM
Mathematics
Trigonometric Functions
Let
$A$
and
$B$
be two mutually exclusive events such that
$ P(A\cap {{B}^{c}})=0.25 $
and
$ P({{A}^{c}}\cap B)=0.5 $
. Then,
$ P\{(A\cup {{B}^{c}})\} $
is equal to
JKCET - 2012
JKCET
Mathematics
Probability
$\int\frac{1+log\,x}{\left(1+x\,log\,x\right)^{2}}dx$
is equal to
KEAM - 2012
KEAM
Mathematics
Integrals of Some Particular Functions
If one of the slopes of the pair of lines
$ax^2 + 2hxy + by^2 = 0$
is
$n$
times the other then
KCET - 2012
KCET
Mathematics
Straight lines
The perimeter of a sector is a constant. If its area is to be maximum, then the sectorial angle is
KCET - 2012
KCET
Mathematics
Derivatives
The last digit of number
$7^{886}$
is
KCET - 2012
KCET
Mathematics
general and middle terms
$p \rightarrow \sim q$
can also be written as
KCET - 2012
KCET
Mathematics
mathematical reasoning
If the product of
$n$
positive real numbers is one, then their sum is
JKCET - 2012
JKCET
Mathematics
Sequence and series
$\frac {\sin 70^\circ\, +\cos 40^\circ} {\cos 70^\circ + \sin 40^\circ}$
=
KCET - 2012
KCET
Mathematics
Trigonometric Equations
If
$(4)^{\log_9 3} + (9)^{\log_2 4} = (10)^{\log_x 83}$
, then X is equal to
COMEDK UGET - 2012
COMEDK UGET
Mathematics
Probability
If
$\omega$
is a cube root of unity, then the value of determinant
$\begin{vmatrix}1+\omega&\omega^{2}&\omega \\ \omega^{2} + \omega &-\omega &\omega^{2} \\ 1+\omega^{2} &\omega &\omega^{2} \end{vmatrix}$
COMEDK UGET - 2012
COMEDK UGET
Mathematics
Determinants
$ y =\tan^{-1} \left( \frac{1}{1+x+x^{2}} \right) + \tan ^{-1} \left( \frac{1}{x^{2}+3x+3} \right) + \tan ^{-1} \left( \frac{1}{x^{2}+5x+7} \right) + ......+ $
upto
$n$
terms, then
$ \frac{dy}{dx} $
at
$x = 0$
and
$n = 1$
is equal to
COMEDK UGET - 2012
COMEDK UGET
Mathematics
Statistics
Prev
1
...
772
773
774
775
776
...
1066
Next