Neha Patil (Editor)

List of impossible puzzles

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This is a list of puzzles which have been proven impossible to solve. An impossible puzzle is one that cannot be solved by following its directions or criteria.

  • 15 puzzle for half of the starting positions
  • Five room puzzle
  • MU puzzle
  • Mutilated chessboard problem
  • Coloring the edges of the Petersen graph with three colors
  • Seven Bridges of Königsberg
  • Three cups problem
  • Water, gas, and electricity

    • References

    List of impossible puzzles Wikipedia
    (Text) CC BY-SA