A Gift Problem for the Year 2018
52416
The final number after $999$ operations.
126297
A high school Olympiad problem
87158
Can I gift a game via the PlayStation Network?
32170
Birthday Problem: How am I wrong?
57020
SIB 2009, Problem #2
127331
One Problem Regarding Expectation
145435
Birthday paradox with a (huge) twist: Probability of sharing exact same date of birth with partner?
73604
Problems with amsmath
9644
Why didn't (or did) I or some other user get a hat although the requirements were (or weren't) fulfilled?
18165
Know someone who can answer? Share list broken
79881
The Matching Problem/Derangements - n letters to n people
98096
Group of $r$ people at least three people have the same birthday?
99288
Paying someone to give me money
136449
Combinatorics problem on $20$ people, $12$ months, and distinguishable groups
125573
Is it standard for graduate students to get gifts for their advisors?
61935
Would there be issues with giving someone a gift out of a joint account if the total is over the annual limit per person?
63141
Need help with a work around