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Einstein Quiz

Below is a quiz written by Einstein last century. He said that 98% of the people in the world cannot solve the quiz. Are you among the other 2%? (Tanks to Ernesto for the Quiz!)

Facts:

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

Hints:

The Brit lives in a red house.(Sol'n) The Swede keeps dogs as pets.(Sol'n) The Dane drinks tea..(Sol'n) The green house is on the left of the white house.(Sol'n) The green house owner drinks coffee..(Sol'n) The person who smokes Pall Mall rears birds.(Sol'n) The owner of the yellow house smokes Dunhill..(Sol'n) The man living in the house right in the centre drinks milk.(Sol'n) The Norwegian lives in the first house..(Sol'n) The man who smokes Blend lives next to the one who keeps cats..(Sol'n) The man who keeps horses lives next to the man who smokes Dunhill.(Sol'n) The owner who smokes Blue Master drinks beer.(Sol'n) The German smokes Prince..(Sol'n) The Norwegian lives next to the blue house..(Sol'n) The man who smokes Blend has a neighbour who drinks water.(Sol'n)

The question is ... WHO KEEPS THE FISH?

Answer:

        |House1|House2|House3|House4|House5
Color   |
Nation  |
Beverage|
CigBrand|
Pet     |

1. step - use Hint 9
        |House1|House2|House3|House4|House5
Color   |
Nation  |Norweg|
Beverage|
CigBrand|
Pet     |

2. step - use Hint 14
        |House1|House2|House3|House4|House5
Color   |      |Blue  |
Nation  |Norweg|
Beverage|
CigBrand|
Pet     |

3. step - use Hint 8
        |House1|House2|House3|House4|House5
Color   |      |Blue  |
Nation  |Norweg|
Beverage|      |      |Milk  |
CigBrand|
Pet     |

4. step - use Hint 4 and Hint 5
        |House1|House2|House3|House4|House5
Color   |      |Blue  |      |Green |White
Nation  |Norweg|
Beverage|      |      |Milk  |Coffee|
CigBrand|
Pet     |

5. step - use Hint 1
        |House1|House2|House3|House4|House5
Color   |      |Blue  |Red   |Green |White
Nation  |Norweg|      |Brit  |
Beverage|      |      |Milk  |Coffee|
CigBrand|
Pet     |

6. step - House1 is yellow and use Hint 7
        |House1|House2|House3|House4|House5
Color   |Yellow|Blue  |Red   |Green |White
Nation  |Norweg|      |Brit  |
Beverage|      |      |Milk  |Coffee|
CigBrand|Dunhil|
Pet     |

7. step - use Hint 11
        |House1|House2|House3|House4|House5
Color   |Yellow|Blue  |Red   |Green |White
Nation  |Norweg|      |Brit  |
Beverage|      |      |Milk  |Coffee|
CigBrand|Dunhil|
Pet     |      |Horse |

8. step - use Hint 2 and Hint 12 together because of Hint 3 and Hint 13. That mean
        |House1|House2|House3|House4|House5
Color   |Yellow|Blue  |Red   |Green |White
Nation  |Norweg|      |Brit  |      |Swede
Beverage|      |      |Milk  |Coffee|Beer
CigBrand|Dunhil|      |      |      |BlueMaster
Pet     |      |Horse |      |      |Dog

ALTERNATIVE received from:
Date: Thu, 31 Jan 2002 14:52:09 -0800 (PST)
From: Brian Carp (brian_m_carp@yahoo.com)

I was reading through your solution to the Einstein quiz, which seems
to attempt to use the hints in the simplest order so that it's more
clear.  If so, then I'd suggest that for step 8 you instead just use
hint #3 and hint #12 to fill in "water" for the first house, and go on
from there.  I think it's unncessary to use four hints in one step, and
it's not immediately clear.

9. step - use Hint 3
        |House1|House2|House3|House4|House5
Color   |Yellow|Blue  |Red   |Green |White
Nation  |Norweg|Dane  |Brit  |      |Swede
Beverage|      |Tea   |Milk  |Coffee|Beer
CigBrand|Dunhil|      |      |      |BlueMaster
Pet     |      |Horse |      |      |Dog

10. step - use Hint 13
        |House1|House2|House3|House4|House5
Color   |Yellow|Blue  |Red   |Green |White
Nation  |Norweg|Dane  |Brit  |German|Swede
Beverage|      |Tea   |Milk  |Coffee|Beer
CigBrand|Dunhil|      |      |Prince|BlueMaster
Pet     |      |Horse |      |      |Dog

11. step - use Hint 6
        |House1|House2|House3|House4|House5
Color   |Yellow|Blue  |Red   |Green |White
Nation  |Norweg|Dane  |Brit  |German|Swede
Beverage|      |Tea   |Milk  |Coffee|Beer
CigBrand|Dunhil|      |PalMal|Prince|BlueMaster
Pet     |      |Horse |birds |      |Dog

12. step - use Hint 15
        |House1|House2|House3|House4|House5
Color   |Yellow|Blue  |Red   |Green |White
Nation  |Norweg|Dane  |Brit  |German|Swede
Beverage|Water |Tea   |Milk  |Coffee|Beer
CigBrand|Dunhil|Blend |PalMal|Prince|BlueMaster
Pet     |      |Horse |birds |      |Dog

13. step - use Hint 10
        |House1|House2|House3|House4|House5
Color   |Yellow|Blue  |Red   |Green |White
Nation  |Norweg|Dane  |Brit  |German|Swede
Beverage|Water |Tea   |Milk  |Coffee|Beer
CigBrand|Dunhil|Blend |PalMal|Prince|BlueMaster
Pet     |Cats  |Horse |birds |      |Dog

And the solution is

14. step - The German keeps the FISH
        |House1|House2|House3|House4|House5
Color   |Yellow|Blue  |Red   |Green |White
Nation  |Norweg|Dane  |Brit  |German|Swede
Beverage|Water |Tea   |Milk  |Coffee|Beer
CigBrand|Dunhil|Blend |PalMal|Prince|BlueMaster
Pet     |Cats  |Horse |birds |FISH  |Dog

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