>
JEE Main
>
Mathematics
List of top Mathematics Questions asked in JEE Main
If \(a, b, c\) be three distinct real numbers in G.P. and \(a + b + c = xb\), then \(x\)
cannot
be
JEE Main - 2019
JEE Main
Mathematics
Sequences and Series
For any \(\theta \in \left(\frac{\pi}{4}, \frac{\pi}{2}\right)\), the expression
\(3(\cos\theta - \sin\theta)^4 + 6(\sin\theta + \cos\theta)^2 + 4\sin^6\theta\)
equals :
JEE Main - 2019
JEE Main
Mathematics
Trigonometric Equations
If some three consecutive in the binomial expansion of
$(x + 1)^n$
is powers of
$x$
are in the ratio
$2 : 15 : 70$
, then the average of these three coefficient is :-
JEE Main - 2019
JEE Main
Mathematics
Binomial theorem
If the angle of intersection at a point where the two circles with radii 5 cm and 12 cm intersect is
$90^{\circ}$
, then the length (in cm) of their common chord is :
JEE Main - 2019
JEE Main
Mathematics
Conic sections
If one end of a focal chord of the parabola,
$y^2 = 16x$
is at
$(1, 4),$
then the length of this focal chord is
JEE Main - 2019
JEE Main
Mathematics
Conic sections
If a circle
$C$
passing through the point
$(4,0)$
touches the circle
$x^2 + y^2 + 4x - 6y = 12$
externally at the point
$(1, -1)$
, then the radius of
$C$
is :
JEE Main - 2019
JEE Main
Mathematics
Conic sections
If a circle of radius
$R$
passes through the origin
$O$
and intersects the coordinate axes at
$A$
and
$B$
, then the locus of the foot of perpendicular from
$O$
on
$AB$
is :
JEE Main - 2019
JEE Main
Mathematics
Conic sections
Axis of a parabola lies along
$x$
-axis. If its vertex and focus are at distances
$2$
and
$4$
respectively from the origin, on the positive
$x$
-axis then which of the following points does not lie on it ?
JEE Main - 2019
JEE Main
Mathematics
Conic sections
The value of the integral
$\int \limits^{2}_{-2} \frac{\sin^{2}x}{\left[\frac{x}{\pi}\right] + \frac{1}{2}} dx $
(where [x] denotes the greatest integer less than
$^{20}C_r$
or equal to x) is :
JEE Main - 2019
JEE Main
Mathematics
Some Properties of Definite Integrals
Let S and S' be the foci of the ellipse and B be any one of the extremities of its minor axis. If 'S'BS is a right angled triangle with right angle at B and area (
$\Delta$
S'BS) = 8 s units, then the length of a latus rectum of the ellipse is :
JEE Main - 2019
JEE Main
Mathematics
Conic sections
Two cards are drawn successively with replacement from a well-shuffled deck of 52 cards. Let X denote the random variable of number of aces obtained in the two drawn cards. Then P(X = 1) + P(X = 2) equals :
JEE Main - 2019
JEE Main
Mathematics
Probability
The term independent of x in the expansion of $\bigg(\frac{1}{60} - \frac{x^8}{81}\bigg). \bigg(2x^2 - \frac{3}{x^2}\bigg)^6$ is equal to:
JEE Main - 2019
JEE Main
Mathematics
Binomial theorem
A bag contains
$30$
white balls and
$10$
red balls.
$16$
balls are drawn one by one randomly from the bag with replacement. If X be the number of white balls drawn, the
$\left(\frac{\text{mean} \; \text{of} \; X}{\text{standard} \; \text{deviation} \; \text{of} \; X }\right)$
is equal to :
JEE Main - 2019
JEE Main
Mathematics
Probability
If
$A = \begin{bmatrix}e^{t}&e^{t} \cos t&e^{-t}\sin t\\ e^{t}&-e^{t} \cos t -e^{-t}\sin t&-e^{-t} \sin t+ e^{-t} \cos t\\ e^{t}&2e^{-t} \sin t&-2e^{-t} \cos t\end{bmatrix} $
Then
$A$
is -
JEE Main - 2019
JEE Main
Mathematics
Determinants
The area of the region
$A = [(x, y): 0 \leq y \leq x|x|+1$
and
$-1 \leq x \leq 1]$
in s units is :
JEE Main - 2019
JEE Main
Mathematics
applications of integrals
Let
$z_0$
be a root of the quadratic equation,
$x^2 + x + 1 = 0$
. If
$z = 3 + 6iz_0^{81} -3iz_0^{93}$
, then arg
$z$
is equal to :
JEE Main - 2019
JEE Main
Mathematics
Complex Numbers and Quadratic Equations
Let
$\vec{a} = \hat{i} + \hat{j} + \sqrt{2} \hat{k} , \vec{b} = b_1 \hat{i} + b_2 \hat{j} + \sqrt{2} \hat{k}$
and
$\vec{c} = 5 \hat{i} + \hat{j} + \sqrt{2} \hat{k}$
be three vectors such that the projection vector of
$\vec{b}$
on
$\vec{a}$
, If
$\vec{a} + \vec{b}$
is perpendicular to
$\vec{c}$
, then
$| \vec{b}|$
is equal to :
JEE Main - 2019
JEE Main
Mathematics
Vector Algebra
Let
$A(4,-4)$
and
$B(9,6)$
be points on the parabola,
$y^2 + 4x$
. Let
$C$
be chosen on the arc
$AOB$
of the parabola, where
$O$
is the origin, such that the area of
$\Delta ACB$
is maximum. Then, the area (in s units) of
$\Delta ACB$
, is :
JEE Main - 2019
JEE Main
Mathematics
Conic sections
The logical statement
$[\sim (\sim p \vee q) \vee (p \wedge r) \wedge (\sim q \wedge r)]$
is equivalent to:
JEE Main - 2019
JEE Main
Mathematics
mathematical reasoning
An urn contains
$5$
red and
$2$
green balls. A ball is drawn at random from the urn. If the drawn ball is green, then a red ball is added to the urn and if the drawn ball is red, then a green ball is added to the urn; the original ball is not returned to the urn. Now, a second ball is drawn at random from it. The probability that the second ball is red, is :
JEE Main - 2019
JEE Main
Mathematics
Probability
If
$0 \le x < \frac{\pi}{2}$
, then the number of values of
$ x$
for which
$sin \,x-sin\,2x+sin\,3x = 0$
, is
JEE Main - 2019
JEE Main
Mathematics
Trigonometric Functions
The equation of the plane containing the
$\frac{x}{2} = \frac{y}{3} =\frac{z}{4} $
and perpendicular to the plane containing the straight lines
$\frac{x}{3} = \frac{y}{4} = \frac{z}{2} $
and
$\frac{x}{4} = \frac{y}{2} = \frac{z}{3} $
is :
JEE Main - 2019
JEE Main
Mathematics
Three Dimensional Geometry
Let the equations of two sides of a triangle be
$3x - 2y + 6 = 0$
and
$4x + 5y - 20 = 0$
. If the orthocentre of this triangle is at
$(1, 1)$
, then the equation of its third side is :
JEE Main - 2019
JEE Main
Mathematics
Straight lines
If
\(\int \frac{dx}{x^3 (1+x^6)^{\frac{2}{3}}} = f(x) (1+ x^{6})^{\frac{1}{3}} + C\)
where C is a constant of integration, then
\(f(x)\)
is equal to :
JEE Main - 2019
JEE Main
Mathematics
integral
$ \lim\limits_{n \to \infty}$
$\frac{3}{n}\left\{1+\sqrt{\frac{n}{n+3}}+\sqrt{\frac{n}{n+6}}+\sqrt{\frac{n}{n+9}}+....+\sqrt{\frac{n}{n+3\left(n-1\right)}}\right\}$
JEE Main - 2019
JEE Main
Mathematics
Limits
Prev
1
...
229
230
231
232
233
...
270
Next