This puzzle is said to have been written by Albert Einstein and that he claimed 98% of people cannot solve it. Although there is no evidence that this is true, the puzzle still presents a fun challenge. Give it a shot and see how you do.


  1. There are 5 houses in 5 different colors.
  2. In each house lives a person of a different nationality.
  3. These 5 owners drink a certain type of beverage, smoke a certain brand of cigar, and keep a certain pet.
  4. No owners have the same pet, smoke the same brand of cigar, or drink the same drink.

The question is: Who owns the fish?


  1. The Brit lives in a red house.
  2. The Swede keeps dogs as pets
  3. The Dane drinks tea
  4. The green house is on the left of the white house
  5. The green house owner drinks coffee
  6. The person who smokes Pall Mall rears birds.
  7. The owner of the yellow house smokes Dunhill.
  8. The person living in the house right in the center drinks milk.
  9. The Norwegian lives in the first house.
  10. The person who smokes Blend lives next to the one who keeps cats.
  11. The person who keeps horses lives next to the person who smokes Dunhill.
  12. The owner who smokes Blue Master drinks beer.
  13. The German smokes Prince.
  14. The Norwegian lives next to the blue house.
  15. The person who smokes Blend has a neighbor who drinks water.