All Questions
Tagged with hat-guessing strategy
9
questions
-1
votes
1
answer
175
views
Hat and Earring Guessing Puzzle, with penalty for passing
You are in the final round of a game show with 3,999 other conteseants.
Here is the game: The host has blindfolded you at put a red, green or blue hat and red, green or blue earrings (not necessarily ...
3
votes
2
answers
507
views
Sorting kids by hat colours [duplicate]
I have taken a group of students on a school trip. I want to organise them into two groups and so I have given each one a coloured hat. Some hats are red, while others are blue. Each child can see ...
2
votes
2
answers
173
views
Save the poor Gingerbreadmen!
The poor gingerbread men want to survive to Xmas (they don't mind being eaten afterwards). If at least one of them doesn't guess his hat correctly, they will all be cruelly eaten before Xmas. This is ...
8
votes
2
answers
487
views
Modifying the puzzle: Cooperative hat-guessing, no mistakes, 3+ colors
Following Guess your hat color, but you don't have to and it's interpretation via Covering codes I tried to create a puzzle with more hat variativity, i.g. 3 types of hats.
4 hats are put on 4 ...
14
votes
2
answers
3k
views
10 prisoners and 10 lists of numbers [duplicate]
10 prisoners are held captive by a cruel warden. One day he gathers them in the prison hall and tells them about a new game he wants to play:
"Tomorrow, I will assign each one of you a random ...
7
votes
3
answers
536
views
Guessing game with infinity coin flips
Evan and Ollie are going to play a game as a team. The two friends placed in separate rooms, and then a coin is flipped infinitely many times*. Evan is told the results of the even numbered flips, ...
17
votes
9
answers
4k
views
Red and Blue in the Chocolate Fountain Room
Where: Hackanoogie Prison. When: Who cares?
The Master Key Keeper had had a really good day and in a fit of insanity and niceness decided to let all the inmates to go free if they manage to carry ...
7
votes
3
answers
1k
views
Surviving Captain Nefarious
Captain Nefarious has captured you and two of your friends, Alice and Bob. Being a villain, he has a natural desire to monologue, so he sits you down (guarded, of course by his Largely Incompetent ...
15
votes
3
answers
1k
views
100 Dwarves vs. the Evil Elf
The following is an extension of 100 Dwarves and a tiny room. The text of this puzzles spoils that one in a minor way, so go read that excellent puzzle first!
An evil elf puts $100$ dwarves in a ...