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1
KCET 2024
MCQ (Single Correct Answer)
+1
-0

The negation of the statement "For every real number $x ; x^2+5$ is positive" is

A
For every real number $x ; x^2+5$ is not positive.
B
For every real number $x ; x^2+5$ is negative.
C
There exists atleast one real number $x$, such that $x^2+5$ is not positive.
D
There exists atleast one real number $x$, such that $x^2+5$ is positive.
2
KCET 2023
MCQ (Single Correct Answer)
+1
-0

The contrapositive of the statement.

"If two lines do not intersect in the same plane, then they are parallel." is

A
If two lines are parallel, then they intersect in the same plane.
B
If two lines are not parallel, then they do not intersect in the same plane.
C
If two lines are parallel, then they do not intersect in the same plane.
D
If two lines are not parallel, then they intersect in the same plane.
3
KCET 2020
MCQ (Single Correct Answer)
+1
-0

If $$P(n): 2^n< n !$$ Then the smallest positive integer for which $$P(n)$$ is true if

A
2
B
3
C
4
D
5
4
KCET 2020
MCQ (Single Correct Answer)
+1
-0

The negation of the statement "For all real numbers $$x$$ and $$y, x+y=y+x^{\prime \prime}$$ is

A
For all real numbers $$x$$ and $$y, x+y \neq y+x$$
B
For some real numbers $$x$$ and $$y, x+y=y+x$$
C
For some real numbers $$x$$ and $$y, x+y \neq y+x$$
D
For some real numbers $$x$$ and $$y, x-y=y-x$$
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KCET Subjects
Physics
Mechanics
Units & Measurement and Dimensions Vector Algebra Motion in a Straight Line Motion in a Plane Laws of Motion Circular Motion Work, Energy and Power Center of Mass and Collision Rotational Motion Gravitation Simple Harmonic Motion Fluid Mechanics Elasticity Waves Heat and Thermodynamics
Optics
Ray Optics Wave Optics
Electromagnetism
Electrostatics Current Electricity Capacitor Moving Charges and Magnetism Magnetism and Matter Electromagnetic Induction Alternating Current Electromagnetic Waves
Modern Physics
Atoms and Nuclei Dual Nature of Radiation Semiconductor Devices and Logic Gates Communication Systems
Chemistry
Physical Chemistry
Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry
Inorganic Chemistry
Periodic Table and Periodicity Chemical Bonding and Molecular Structure Metallurgy Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Salt Analysis Environmental Chemistry
Organic Chemistry
IUPAC Nomenclatures General Organic Chemistry Isomerism Hydrocarbons Haloalkanes and Haloarenes Alcohol, Phenols and Ethers Aldehyde and Ketone Carboxylic Acids and Its Derivatives Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry
Mathematics
Algebra
Logarithms Quadratic Equations Sequences and Series Permutations and Combinations Probability Sets and Relations Binomial Theorem Vector Algebra Three Dimensional Geometry Matrices and Determinants Statistics Mathematical Reasoning Linear Programming Complex Numbers
Trigonometry
Trigonometric Ratios & Identities Trigonometric Equations Inverse Trigonometric Functions Properties of Triangles
Calculus
Functions Limits, Continuity and Differentiability Differentiation Application of Derivatives Indefinite Integration Definite Integration Area Under The Curves Differential Equations
Coordinate Geometry
Straight Lines and Pair of Straight Lines Circle Parabola Ellipse Hyperbola
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