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Mathematics
List of top Mathematics Questions asked in KCET
A vector $\vec{a}$ makes equal acute angles on the coordinate axis. Then the projection of vector $\vec{ b }=5 \hat{ i }+7 \hat{ j }-\hat{ k }$ on $\vec{ a }$ is
KCET - 2021
KCET
Mathematics
Vector Algebra
The diagonals of a parallelogram are the vectors
\(3\hat{i}+6\hat{j}-2\hat{k}\)
and
\(-\hat{i}-2\hat{j}-8\hat{k}\)
then the length of the shorter side of parallelogram is
KCET - 2021
KCET
Mathematics
Vector Algebra
Given that A and B are two events such that P(B) =
\(\frac{3}{5}\)
P(A/B) =
\(\frac{1}{2}\)
and P(A ∪ B) =
\(\frac{4}{5}\)
then P(A) =
KCET - 2021
KCET
Mathematics
Conditional Probability
Two dice are thrown. If it is known that the sum of numbers on the dice was less than 6 the probability of getting a sum as 3 is
KCET - 2021
KCET
Mathematics
Conditional Probability
A car manufacturing factory has two plants X and Y. Plant X manufactures 70% of cars and plant Y manufactures 30% of cars. 80% of cars at plant X and 90% of cars at plant Y are rated as standard quality. A car is chosen at random and is found to be standard quality. The probability that it has come from plant X is
KCET - 2021
KCET
Mathematics
Conditional Probability
Solution of Differential Equating xdy – ydx = 0 represents
KCET - 2021
KCET
Mathematics
Differential equations
The equation of the line joining the points (-3, 4, 11) and (1, -2, 7) is
KCET - 2021
KCET
Mathematics
Three Dimensional Geometry
The number of solutions of
\(\frac{dy}{dx}=\frac{y+1}{x-1}\)
when y(1) = 2 is
KCET - 2021
KCET
Mathematics
Differential equations
The area of the region bounded by
\(y=\sqrt{16-x^2}\)
and x-axis is
KCET - 2021
KCET
Mathematics
Area under Simple Curves
The area of the quadrilateral ABCD, when A(0, 4, 1), B(2, 3, -1), C(4, 5, 0) and D(2, 6, 2) is equal to
KCET - 2021
KCET
Mathematics
Three Dimensional Geometry
The shaded region is the solution set of the inequalities
KCET - 2021
KCET
Mathematics
linear inequalities
The value of
\(\int\limits_0^{4042}\frac{\sqrt{x}\ dx}{\sqrt{x}+\sqrt{4042-x}}\)
is equal to
KCET - 2021
KCET
Mathematics
Definite Integral
The angle between the lines whose direction cosines are
\((\frac{\sqrt3}{4},\frac{1}{4},\frac{\sqrt3}{2})\)
and
\((\frac{3}{4},\frac{1}{4},\frac{-\sqrt3}{2})\)
is
KCET - 2021
KCET
Mathematics
Three Dimensional Geometry
A vector
\(\vec{a}\)
makes equal acute angles on the coordinate axis.Then the projection of vector
\(\vec{b}=5\hat{i}+7\hat{j}-\hat{k}\)
on
\(\vec{a}\)
is
KCET - 2021
KCET
Mathematics
Vector Algebra
If A,B and C are three independent events such that P(A) = P(B) = P(C) = P then P(at least two of A, B, C occur) =
KCET - 2021
KCET
Mathematics
Probability
If the area of the parallelogram with
\(\vec{a}\)
and
\(\vec{b}\)
as two adjacent sides is 15 sq.units then the area of the parallelogram having
\(3\vec{a}+2\vec{b}\)
and
\(\vec{a}+3\vec{b}\)
as two adjacent sides in sq.units is
KCET - 2021
KCET
Mathematics
Vector Algebra
If the area of the Ellipse is
\(\frac{x^2}{25}+\frac{y^2}{\lambda^2}=1\)
is 20π square units, then λ is
KCET - 2021
KCET
Mathematics
Conic sections
If a plane meets the coordinate axes at A, B and C in such a way that the centroid of triangle ABC is at the point (1, 2, 3) then the equation of the plane is
KCET - 2021
KCET
Mathematics
Coordinate Geometry
If
\(\vec{a}.\vec{b}=0\)
and
\(\vec{a}+\vec{b}\)
makes an angle 60° with
\(\vec{a}\)
then
KCET - 2021
KCET
Mathematics
Vector Algebra
The number of solutions of
$\frac{d y}{d x}=\frac{y+1}{x-1}$
when
$y(1)=2$
is
KCET - 2021
KCET
Mathematics
General and Particular Solutions of a Differential Equation
Solution of Differential Equation $xdy - ydx = 0$ represents
KCET - 2021
KCET
Mathematics
Differential equations
If $\vec{a} \cdot \vec{b}=0$ and $\vec{a}+\vec{b}$ makes an angle $60^{\circ}$ with $\vec{a} $ then
KCET - 2021
KCET
Mathematics
Vector Algebra
If the area of the parallelogram with $\vec{a}$ and $\vec{b}$ as two adjacent sides is $15$ s units then the area of the parallelogram having $3 \vec{a}+2 \vec{b}$ and $\vec{a}+3 \vec{b}$ as two adjacent sides in s units is
KCET - 2021
KCET
Mathematics
Vector Algebra
If a plane meets the coordinate axes at $A, B$ and $C$ in such a way that the centroid of triangle $ABC$ is at the point $(1,2,3)$ then the equation of the plane is
KCET - 2021
KCET
Mathematics
Three Dimensional Geometry
If the sum of n terms of an A.P is given by
$S_n = n^2 + n$
, then the common difference of the A.P is
KCET - 2020
KCET
Mathematics
Arithmetic Progression
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