Puzzle 1
Which is larger …
… the tenth root of 10, or the cube root of 2?
Puzzle Copyright © Kevin Stone
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Puzzle 2
What three-letter word best completes these words?
c---on
he---
e---h
m---yr
qu---er
st---
Puzzle Copyright © Kevin Stone
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Puzzle 3
Fill in the missing numbers with the digits 1 to 9. A diamond shape in the middle means that the four numbers around it add to 20.
Each uses a different way to add to 20, if there is already 1 + 3 + 7 + 9, then there will not be another using the digits 1, 3, 7 and 9 (in any order).
The same digit isn't allowed to touch, even diagonally.
Puzzle Copyright © Elliott Line
This puzzle appeared in Mensa's EnigmaSig (195.08) and is used with permission.
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Puzzle 4
The map below shows the street locations of a city. Position three police officers such that the entire length of every street can be seen by at least one officer.
Puzzle Copyright © Cihan Altay
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