List of impossible puzzles
Encyclopedia
This is a list of puzzle
s which have been proven impossible. An impossible puzzle is a puzzle that cannot be solved by following the directions or criteria for that puzzle.
Puzzle
A puzzle is a problem or enigma that tests the ingenuity of the solver. In a basic puzzle, one is intended to put together pieces in a logical way in order to come up with the desired solution...
s which have been proven impossible. An impossible puzzle is a puzzle that cannot be solved by following the directions or criteria for that puzzle.
- Mutilated chessboard problemMutilated chessboard problemThe mutilated chessboard problem is a tiling puzzle introduced by and discussed by Martin Gardner in his Scientific American column "Mathematical Games." The problem is as follows:...
- Some variations of Fifteen puzzle
- Three-colouring the edges of the Petersen graph
- Seven Bridges of KönigsbergSeven Bridges of KönigsbergThe Seven Bridges of Königsberg is a historically notable problem in mathematics. Its negative resolution by Leonhard Euler in 1735 laid the foundations of graph theory and prefigured the idea of topology....
- Water, gas, and electricity
- Three cups problemThree cups problemThe Three Cups problem is a mathematical puzzle that, in its most common form, cannot be solved. Starting with three cups, you place one of the cups upside down and the other two right-side up. The objective is to turn all cups right-side up in no more than six moves. You must turn over exactly two...