1
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0
$$\sum\limits_{n = 1}^m {n\,.\,n!} $$ is equal to
2
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0
If nC3 = 220, then n = ?
3
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0
There are 12 points in a plane out of which 3 points are collinear. How many straight lines can be drawn by joining any two of them?
4
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0
A regular polygon of n sides has 170 diagonals, then n is equal to
Questions Asked from Permutations and Combinations (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
COMEDK Subjects
Physics
Mechanics
Units & Measurements Vector Algebra Motion Laws of Motion Circular Motion Work, Energy and Power Center of Mass and Collision Rotational Motion Elasticity Fluid Mechanics Heat and Thermodynamics Gravitation Simple Harmonic Motion Waves
Optics
Electromagnetism
Electrostatics Current Electricity Capacitor Moving Charges and Magnetism Magnetism and Matter Electromagnetic Induction Alternating Current Electromagnetic Waves
Modern Physics
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 Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Metallurgy Coordination Compounds Environmental Chemistry
Organic Chemistry
Mathematics
Algebra
Sets and Relations Logarithms Complex Numbers Quadratic Equations Sequences and Series Permutations and Combinations Probability Binomial Theorem Vector Algebra Three Dimensional Geometry Matrices and Determinants Statistics Mathematical Reasoning Linear Programming
Trigonometry
Trigonometric Ratios & Identities Trigonometric Equations Inverse Trigonometric Functions Properties of Triangles
Coordinate Geometry
Calculus