How many ways to park $n$ cars?
51847
Showing that only $(n+1)^{n-1}$ of all the possible $n^n$ choices assure a full car park
46999
How many fixed points in a permutation
27263
How many ways can $b$ balls be distributed in $c$ containers with no more than $n$ balls in any given container?
140039
The parking problem riddle
1627
Cartesian product of an arbitrary number of sets
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
153370
Number of different partitions of N
142180
There are 'n' candies and 't' boxes. Find the number of ways to place the candies in the boxes for each of the conditions (given in the problem).
40852
Number of ways of distributing $n$ identical objects among $r$ groups
134698
Number of columns
4301
How many different arrangements?
22454
How many combinations can I make?
155372
Find the number of permutations in $S_n$ containing fixed elements in one cycle
75678
Dual Commutes with Base Change
33639
In how many ways can $2n$ players be paired?
107964
Simple combinatorics problem.
115717
In how many ways can 4 unlabeled blue balls and 2 unlabeled red balls be packed in 5 different boxes?