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On this site you'll find lots of logic puzzles and riddles, puzzling riddles,
science puzzles and math puzzles and riddles.

Answers and detailed solutions are included.

Do you know other nice brain teasers, riddles or puzzles that should be on the site?
If that's the case, send a message to pzzls!

science puzzle

Eiffel tower

The Eiffel tower in Paris has including the tv antenna an height of 321 meter. It is made out of 7 million kg steel. Somebody would like to build a scale model of this tower with a weight of 1 kg. How tall will this scale model be?

mail puzzle

rating 2.8/5

answer - solution

puzzle top 10

1.	Lockers	math puzzle	rating: 4.3/5


2.	Einstein's riddle	logic puzzle	rating: 4.0/5


3.	Lost your way	logic puzzle	rating: 3.5/5


4.	Bob and John	math puzzle	rating: 3.5/5


5.	Always but never	puzzling puzzle	rating: 3.5/5


6.	Divisible from 1 to 9	math puzzle	rating: 3.5/5


7.	Find the way to freedom	logic puzzle	rating: 3.4/5


8.	The entire universe	puzzling puzzle	rating: 3.4/5


9.	Dots and lines	logic puzzle	rating: 3.4/5


10.	The superstitious president	logic puzzle	rating: 3.3/5

Last changed 30-04-2008