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Mathematics
List of top Mathematics Questions asked in KCET
If A is a skew symmetric matrx, then \(A^ {2021}\) is
KCET - 2022
KCET
Mathematics
Probability
If
\(|\vec{a}|=2\)
and
\(|\vec{b}|=3\)
and the angle between
\(\)
\(\vec{a}\)
and
\(\vec{b}\)
is 120°, then the length of the vector
\(|\frac{1\vec{a}}{2}-\frac{1\vec{b}}{3}|^2\)
is
KCET - 2022
KCET
Mathematics
Vectors
If A = {1,2,3........,10} then number of subsets of A containing only odd number is
KCET - 2022
KCET
Mathematics
Sets
The trigonometric function y = tan x in the II quadrant
KCET - 2022
KCET
Mathematics
Domain of a Function
If 3x + i(4x-y) = 6-i, where x and y are real numbers, then the value of x and y are respectively
KCET - 2022
KCET
Mathematics
Tangents and Normals
Let the relation R is defined in N by
\(a \mathbb{R} b\)
, if
\(3a+2b = 27\)
, then R is
KCET - 2022
KCET
Mathematics
Matrices
The function \(f(x) = \log(1+x) - \frac{2x}{2+x}\) is increasing on
KCET - 2022
KCET
Mathematics
Exponential and Logarithmic Functions
The function
\(f(x) = 4 \sin^3 x - 6 \sin^2 x + 12 \sin x + 100\)
is strictly
KCET - 2022
KCET
Mathematics
Trigonometric Identities
The value of
\(\sin \frac{5\pi}{12} \sin \frac{\pi}{12}\)
is
KCET - 2022
KCET
Mathematics
Trigonometric Functions
\(\sqrt{2 + \sqrt{2 + \sqrt{2 + 2\cos(8\theta)}}}\)=
KCET - 2022
KCET
Mathematics
Trigonometric Functions
The domain of the function
\(f(x) = \frac{1}{\log(1-x)} + \sqrt{x+2}\)
is
KCET - 2022
KCET
Mathematics
Sets
Suppose that the number of elements in set A is p, the number of elements in set B is q and the number of elements in
\(A \times B\)
is 7 then
\(p^2 + q^2 =\)
KCET - 2022
KCET
Mathematics
Probability
The distance of the point whose position vector is
\(\mathbf{2\hat{i} + \hat{j} - \hat{k}}\)
from the plane vector
\(\vec{r} \cdot (\hat{i} - 2\hat{j} + 4\hat{k}) = 4\)
is
KCET - 2022
KCET
Mathematics
Linear Programming Problem and its Mathematical Formulation
If A and B are the two events such that
\(P(A) = \frac{1}{2}\)
,
\(P(B) = \frac{1}{3}\)
and
\(P(A|B) = \frac{1}{4}\)
, then
\(P(A' \cap B')\)
is
KCET - 2022
KCET
Mathematics
Conditional Probability
A pandemic has been spreading all over the world. The probabilities are 0.7 that there will be a lockdown , 0.8 that the pandemic is controlled in one month if there is a lockdown and 0.3 that it is controlled in one month if there is no lockdown. the probability that the pandemic will be controlled in one month is
KCET - 2022
KCET
Mathematics
Probability
Find the mean number of heads in three tosses of fair coin:
KCET - 2022
KCET
Mathematics
Linear Programming Problem and its Mathematical Formulation
If A and B are two independent events such that
\(P(\overline{A}) = 0.75\)
,
\(P(A \cup B) = 0.65\)
and
\(P(B) = x\)
, then find the value of x:
KCET - 2022
KCET
Mathematics
Probability
A dietician has to develop a special diets using two foods X and Y. Each packet (containing 30g) of food. X contains 12 units of calcium, 4 units of iron, 6 units of cholesterol and 6 units of vitamin A. Each packet of the same quantity of food Y contains 3units of calcium , 20 unit of iron, 4 units of cholesterol and 3 units of vitamin A.The diet requires atleast 240 units of calcium, atleast 460 units of iron and atmost 300 units of cholesterol. The corner points of the feasible region are
KCET - 2022
KCET
Mathematics
Coordinate Geometry
The corner points of the feasible region of an LPP are (0,2), (3,0), (6,0), (6,8) and (0,5), then the minimum value of z = 4x + 6y occurs at
KCET - 2022
KCET
Mathematics
Coordinate Geometry
The co-ordinates of the foot of the perpendicular drawn from the origin to the plane 2x - 3y + 4z = 29 are
KCET - 2022
KCET
Mathematics
Differential equations
The angle between the pair of lines
\(\frac{x+3}{3} = \frac{y-1}{5} = \frac{z+3}{4}\)
and
\(\frac{x+1}{1} = \frac{y-4}{4} = \frac{z-5}{2}\)
is
KCET - 2022
KCET
Mathematics
Differential equations
If
\(|\vec{a}\times\vec{b}|\)
+
\(|\vec{a}.\vec{b}|^2=36\)
and
\(|\vec{a}|=3\)
then
\(|\vec{b}|\)
is equal to
KCET - 2022
KCET
Mathematics
Vectors
The sum of the degree and order of differential equation \(\left(1 + y_1^2\right)^{\frac{2}{3}} = y_2\) is
KCET - 2022
KCET
Mathematics
Differential equations
If y(x) be the solution of the differential equation \(x \log(x) \frac{dy}{dx} + y = 2x \log(x), \quad y(e)\) is equal to
KCET - 2022
KCET
Mathematics
Area under Simple Curves
The solution of the differential equation \(\frac{dy}{dx} = (x+y)^2\) is
KCET - 2022
KCET
Mathematics
Differential equations
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