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New posts in permutations
Quaternion Group as Permutation Group
group-theory
finite-groups
permutations
Generators of symmetric group $S_n$ [duplicate]
group-theory
permutations
Find the number of ways so that each boy is adjacent to at most one girl.
combinatorics
permutations
combinations
inclusion-exclusion
confusion about permutation
probability
combinatorics
permutations
In how many ways can $5$ balls of different colours be placed in $3$ boxes of different sizes if no box remains empty?
combinatorics
permutations
How many ways are there to place $7$ people to $10$ seats around a circular table so that Alex and Bob in these $7$ people do not sit together?
combinatorics
solution-verification
permutations
contest-math
Expected number of cards in original position in a shuffled deck of $52$ cards?
probability
combinatorics
permutations
expected-value
Find the smallest subgroups of all permutations of $8$ elements which contain specific permutations [duplicate]
group-theory
permutations
A simple permutation question - discrete math
combinatorics
permutations
How many permutations are there for the letters in the word "meеt"?
combinatorics
permutations
Arrangement in a circle
combinatorics
permutations
Why do the triangular numbers initially form long cycles mod $2^k$?
elementary-number-theory
permutations
modular-arithmetic
permutation-cycles
triangular-numbers
What is $E|\langle A\rangle|$?
probability
abstract-algebra
group-theory
permutations
expectation
Find the Number of Solution of equation
combinatorics
permutations
systems-of-equations
Burnside's formula on a hexagon
abstract-algebra
group-theory
permutations
Solving a Secret List (Inspired by 'Are you the One?')
combinatorics
permutations
What is Double Counting?
combinatorics
discrete-mathematics
permutations
What is the the sum of orders of all elements of $S_n$?
combinatorics
group-theory
finite-groups
permutations
symmetric-groups
Number of cards to be pulled
probability
combinatorics
permutations
card-games
What will be total number of solutions of $a+b+c = n$?
combinatorics
permutations
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