This riddle is attributed to Einstein and he wrote that no more than 2% of the world’s population can solve it.

There are five houses in a row and in five different colours.
In each house lives a person from a different country.
Each person drinks a certain drink, plays a certain sport, and keeps a certain pet.
No two people drink the same drink, play the same sport, or keep the same pet.

•The Brit lives in a red house
•The Swede keeps dogs
•The Dane drinks tea
•The green house is on the left of the white house
•The green house owner drinks coffee
•The person who plays polo rears birds
•The owner of the yellow house plays hockey
•The man living in the house right in the centre drinks milk
•The Norwegian lives in the first house
•The man who plays baseball lives next to the man who keeps cats
•The man who keeps horses lives next to the one who plays hockey
•The man who plays billiards drinks beer
•The German plays soccer
•The Norwegian lives next to the blue house
•The man who plays baseball has a neighbour who drinks water.