Category Archives: Brainteasers
Spoiler Alert! These contain the answers to our monthly brainteasers! If you subscribe to our monthly brainteaser then we recommend you do NOT read these posts!
The Goblet of Poison
A king wants to find the wisest of his three advisors. So, he devises a...
The King’s Wine
A king has 1000 bottles of wine, and one of them is poisoned. The poison...
The Chessboard and Dominoes Puzzle
Imagine you have a standard 8×8 chessboard and 31 dominoes. Each domino can cover exactly...
The Two Envelopes Paradox
You’re given two indistinguishable envelopes, each containing money. One envelope contains twice as much money...
Old Blue Eyes
On a remote island live 100 people with blue eyes and 100 people with brown...
The Prisoners and the Switch
This one is super tough, so strap in! There are 100 prisoners in solitary cells....
