In how many ways can you sit 12 men and 12 women on a bench, so that no 2 women sit next to each other
6378
How many ways to arrange people on a bench so that no woman sits next to another woman?
9411
Number of permutations of $n$ elements where no number $i$ is in position $i$
32508
how many ways can the letters in ARRANGEMENT can be arranged
120095
How many ways to split n elements in k groups?
140806
How do I tackle this combinatorics problem about married couples around a table?
80239
Distribute 25 roses among friends, so that each one has at least 1 rose, and none has more than 7?
147901
Show that, in a group of n people, everyone has the same number of friends if..
107964
Simple combinatorics problem.
6432
How many ways can N elements be partitioned into subsets of size K?
134698
Number of columns
98313
Number of possible permutations of n1 1's, n2 2's, n3 3's, n4 4's such that no two adjacent elements are same?
102136
How many subsets contain no consecutive elements?
136449
Combinatorics problem on $20$ people, $12$ months, and distinguishable groups
153370
Number of different partitions of N
145132
Number of ways in which $5$ boys and $5$ girls are ordered in such a way that exactly $4$ girls stand consecutively in the queue
82207
Number of Pairs of Subsets
94141
$20$ people are sitting around a (circular) table. How many ways can we choose $3$ people, no two of whom are neighbors?