In how many ways can $5$ distinct figures be given to $3$ friends so that each friend receives at least one figure?
103252
Ways to put numbered balls in boxes no box being empty
58418
Does there exist a set of exactly five positive integers such that the sum of any three distinct elements is prime?
53655
Ways of getting a number with $n$ dice, each with $k$ sides
65070
Combinations of a penny, nickel, dime, and quarter
120095
How many ways to split n elements in k groups?
103197
number of distinct solution of Integral equation
142135
A number with 6 distinct digits which get multiplied by 5 if we move the last digit to front
93243
25 students, each gives a chocolate to 5 other students. Could every student receive a chocolate from exactly the 5 students they've sent to?
101664
In how many different ways can you split $10$ people into two groups of $5$ people?
136449
Combinatorics problem on $20$ people, $12$ months, and distinguishable groups
35648
How many permutations of the set n={1,2,3,3,3,4,4,5} are possible without any consecutive identical elements?
140606
ways are there to distribute $7$ (identical) apples, $6$ oranges and $7$ pears among $3$ different people with each person getting at least $1$ pear?
15332
What is the probability one card from each suit will be represented when 5 cards are dealt?
91389
If I roll three dice at the same time, how many ways the sides can sum up to $13$?
35326
There are infinitely many $N$ such that $\frac{N}{2}$ is a perfect square, $\frac{N}{3}$ is a perfect cube, and $\frac{N}{5}$ is a perfect fifth power
111324
Finding number of relations on a set with 3 elements
66890
Three 'side to side' figures using minipage