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.

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# Eiffel tower - science puzzle of the day

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? |

# Pzzls top 10

Pzzl

Category

Difficulty

logic puzzle

math puzzle

3. Lockers

math puzzle

logic puzzle

5. Sky theory

science puzzle

logic puzzle

7. The superstitious president

logic puzzle

math puzzle

logic puzzle

10. Planting trees

logic puzzle