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  logic puzzle - who owns the zebra?  
  Try solving this logic problem. It's definitely solvable! It was given at The German Institute of Logical Thinking in Berlin, 1981. And 98% FAILED.

There are 25 variables and 24 are given values. You can solve for the 25th -- if you look at the problem mathematically. If you get lost in the English, you are dead meat. You will know you are right by checking the answer with all the conditions. when you're finished, check your answer here.

Conditions
  1. There are five houses.
  2. Each house has it's own unique color.
  3. All homeowners are of different nationalities.
  4. They all have different pets.
  5. They all drink different drinks.
  6. They all smoke different cigarettes.
  7. The Englishman lives in the red House.
  8. The Swede has a dog.
  9. The Dane drinks Tea.
  10. The green house is on the left side of the white house.
  11. In the green house they drink coffee.
  12. The man who smokes Pall Mall has birds.
  13. In the yellow house they smoke Dunhill.
  14. In the middle house they drink milk.
  15. The Norwegian lives in the First house.
  16. The man who smokes Blend lives next door to the house with cats.
  17. In the house next to the house with a horse, they smoke Dunhill.
  18. The man who smokes Blue Master drinks beer.
  19. The German smokes Prince.
  20. The Norwegian lives next to the blue house.
  21. They drink water in the house next to where they smoke Blend.
  22. Who owns the Zebra?

Elimination Table
as a helpful visiual aide to this problem, you can print out the table below and cross off answers as they are eliminated by the conditions.

house one house two house three house four house five
yellow
blue
red
green
white

norwegian
englishman
dane
swede
german

milk
coffee
beer
water
tea

dunhill
prince
pall mall
blend
blue masters

horse
zebra
cats
dog
brids
yellow
blue
red
green
white

norwegian
englishman
dane
swede
german

milk
coffee
beer
water
tea

dunhill
prince
pall mall
blend
blue masters

horse
zebra
cats
dog
brids
yellow
blue
red
green
white

norwegian
englishman
dane
swede
german

milk
coffee
beer
water
tea

dunhill
prince
pall mall
blend
blue masters

horse
zebra
cats
dog
brids
yellow
blue
red
green
white

norwegian
englishman
dane
swede
german

milk
coffee
beer
water
tea

dunhill
prince
pall mall
blend
blue masters

horse
zebra
cats
dog
brids
yellow
blue
red
green
white

norwegian
englishman
dane
swede
german

milk
coffee
beer
water
tea

dunhill
prince
pall mall
blend
blue masters

horse
zebra
cats
dog
brids


[ back to logic puzzle menu | answer to zebra puzzle ]





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