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Mathematics
List of top Mathematics Questions asked in VITEEE
The number of students who take both the subjects mathematics and chemistry is 30. This represents 10% of the enrolment in mathematics and 12% of the enrolment in chemistry. How many students take at least one of these two subjects?
VITEEE - 2024
VITEEE
Mathematics
Complex numbers
Let \( f(x) \) be defined as:
\[f(x) = \begin{cases} 3 - x, & x<-3 \\ 6, & -3 \leq x \leq 3 \\ 3 + x, & x>3 \end{cases}\]
Let \( \alpha \) be the number of points of discontinuity of \( f(x) \) and \( \beta \) be the number of points where \( f(x) \) is not differentiable. Then, \( \alpha + \beta \) is:
VITEEE - 2024
VITEEE
Mathematics
Matrices
If \( f(x) \) defined as given below, is continuous on \( R \), then the value of \( a + b \) is equal to:
% Function Definition
\[f(x) = \begin{cases} \sin x, & x \leq 0 \\ x^2 + a, & 0<x<1 \\ bx + 3, & 1 \leq x \leq 3 \\ -3, & x>3 \end{cases}\]
VITEEE - 2024
VITEEE
Mathematics
Probability
Let \( n(A) = m \) and \( n(B) = n \), if the number of subsets of \( A \) is 56 more than that of subsets of \( B \), then \( m + n \) is equal to:
VITEEE - 2024
VITEEE
Mathematics
Algebra
The probability that a card drawn from a pack of 52 cards will be a diamond or a king is:
VITEEE - 2023
VITEEE
Mathematics
sets
The argument of the complex number
\[ \left( \frac{i}{2} - \frac{2}{i} \right) \]
is equal to:
VITEEE - 2023
VITEEE
Mathematics
sets
The lines
$$ p(p^2 + 1)x - y + q = 0 \quad {and} \quad (p^2 + 1)^2 x + (p^2 + 1)y + 2q = 0 $$
are perpendicular to a common line for:
VITEEE - 2023
VITEEE
Mathematics
sets
Find the missing number in the sequence:
\[ 285, 253, 221, 189, ? \]
VITEEE - 2023
VITEEE
Mathematics
Sequences and Series
The area of the parallelogram whose diagonals are
\[ \mathbf{d_1} = \frac{3}{2} \hat{i} + \frac{1}{2} \hat{j} - \hat{k}, \quad \mathbf{d_2} = 2 \hat{i} - 6 \hat{j} + 8 \hat{k} \]
is:
VITEEE - 2023
VITEEE
Mathematics
Sequences and Series
If \( |\mathbf{a}| = 3 \), \( |\mathbf{b}| = 4 \), then the value of \( \lambda \) for which \( \mathbf{a} + \lambda \mathbf{b} \) is perpendicular to \( \mathbf{a} - \lambda \mathbf{b} \) is:
VITEEE - 2023
VITEEE
Mathematics
Sequences and Series
If
and
$(A + B)^2 = A^2 + B^2$
then
$x + y$
is:
VITEEE - 2023
VITEEE
Mathematics
Sequences and Series
For which toy category has there been a continuous increase in production over the years?
VITEEE - 2023
VITEEE
Mathematics
Sequences and Series
Eccentricity of ellipse $\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1$ if it passes through point $(9, 5)$ and $(12, 4)$ is:
VITEEE - 2023
VITEEE
Mathematics
Probability
The angle between the two lines:
\[ \frac{x + 1}{2} = \frac{y + 3}{2} = \frac{z - 4}{-1} \] \[ \frac{x - 4}{1} = \frac{y + 4}{2} = \frac{z + 1}{2} \]
is:
VITEEE - 2023
VITEEE
Mathematics
Probability
The particular solution of
\[ \log \frac{dy}{dx} = 3x + 4y, \quad y(0) = 0 \]
is:
VITEEE - 2023
VITEEE
Mathematics
Probability
If the vertex of a parabola is
\( (2, -1) \)
and the equation of its directrix is
\[ 4x - 3y = 21, \]
then the length of its latus rectum is:
VITEEE - 2023
VITEEE
Mathematics
Probability
What is the percentage drop in the production of Ludo from 1992 to 1994?
VITEEE - 2023
VITEEE
Mathematics
Probability
Evaluate the integral:
\[ I = \int \frac{\sin^2 x - \cos^2 x}{\sin^2 x \cos^2 x} dx \]
VITEEE - 2023
VITEEE
Mathematics
inequalities
The derivative of
\[ \sin^{-1} \left(\frac{2x}{1 + x^2} \right) \]
with respect to
\[ \cos^{-1} \left(\frac{1 - x^2}{1 + x^2} \right) \]
is equal to:
VITEEE - 2023
VITEEE
Mathematics
inequalities
Evaluate the definite integral:
\[ I = \int_{0}^{\frac{\pi}{2}} (\sqrt{\tan x} + \sqrt{\cot x})dx \]
VITEEE - 2023
VITEEE
Mathematics
inequalities
If
\[ \left| \frac{\sec(x - y)}{\sec(x + y)} \right| = a \]
then
\( \frac{dy}{dx} \)
is:
VITEEE - 2023
VITEEE
Mathematics
inequalities
Bag P contains 6 red and 4 blue balls, and Bag Q contains 5 red and 6 blue balls.
A ball is transferred from Bag P to Bag Q, and then a ball is drawn from Bag Q.
What is the probability that the ball drawn is blue?
VITEEE - 2023
VITEEE
Mathematics
inequalities
The sum of the series
\[ \frac{1}{1 + \sqrt{2}} + \frac{1}{\sqrt{2} + \sqrt{3}} + \frac{1}{\sqrt{3} + \sqrt{4}} + \dots \]
up to 15 terms is:
VITEEE - 2023
VITEEE
Mathematics
inequalities
The equation of the circle with centre (0,2) and radius 2 is
\[ x^2 + y^2 - my = 0. \]
The value of \( m \) is:
VITEEE - 2023
VITEEE
Mathematics
inequalities
For the binary operation defined on \( \mathbb{R} - \{1\} \) such that:
\[ a b = \frac{a}{b + 1} \]
which of the following is true?
VITEEE - 2023
VITEEE
Mathematics
inequalities
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