People on the train, prove 3 people know each other or don't know each other.
906
Pigeonhole Principle Question - Group of 6 people, do 3 either know each other or not?
129263
Airline ticket; missing one of two first names
109273
Extending the birthday paradox to more than 2 people
125174
Combinatorial intuition of identity
83981
How to prove those "curious identities"?
10952
Can two persons sharing a name travel one-way each on a return ticket?
28645
Alice and Bob play the determinant game
69748
Semi-Ambiguous Combinatorics Problem
90038
How to find an unknown Steam User
61113
x amount of people drink coffee, y amount of people drink tea, z amount of people drink both
84695
" the people "?
71067
Group differences on a five point Likert item
220
Movie Identification: People record their experiences on reel-to-reel
139681
Light clock with mirrors on a moving train
123137
Recursion: putting people into groups of 1 or 2
117807
Confirmation that someone is listening to another person's speech
2632
PCA and the train/test split