1
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0
How many 5-digit numbers greater than 50,000 can be formed using the digits 1, 2, 3, 4, 5 without repetition?
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
The value of $$1\,.\,1! + 2\,.\,2! + 3\,.\,3! + \,...\, + \,n\,.\,n!$$ is
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
The number of triangles which can be formed by using the vertices of a regular polygon of $$(n+3)$$ sides is 220. Then, $$n$$ is equal to
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
Out of 8 given points, 3 are collinear. How many different straight lines can be drawn by joining any two points from those 8 points?
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