Counting problem about pirates and gold coins
9783
9 pirates have to divide 1000 coins...
125214
Catalan numbers - number of ways to stack coins
36362
What's wrong with my solution for the birthday problem?
92147
Coin sequence paradox from Martin Gardner's book
63883
Game about placing pennies on table
55407
Determining the favored penny on a chessboard
93347
If two coins are flipped and one gets head, what is the probability that both get head?
140364
Covering ten dots on a table with ten equal-sized coins: explanation of proof
84920
Counting the Lotto number draws which contain consecutive numbers
65070
Combinations of a penny, nickel, dime, and quarter
141927
In the card game "Projective Set": Compute the probability that $n$ cards contain a set
68887
A probability theory question about independent coin tosses by two players
107688
A contest question on probability
79546
Puzzle about technique of fair using of unfair coin
15349
Combinatorics riddle: keys and a safe
127311
Challenging probability problem
80155
Binomial coefficient problem