Puzzling
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Hagen von Eitzen

I did study math and had a knack for it, but I am sooo out of that business now ...

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Score 20
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Posts % 30
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Score 15
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Top posts (10)

All Questions Answers
Votes Newest
11 Can you open the door or die? Jun 10 '19
10 This is it. This is the one. Save your wife Dec 8 '16
9 Minimize 1×3 tiles on a 5×5 table to block any more 1×3 tiles Apr 5
8 What is the smallest positive integer, which can not be written without repetitions of digits and using arithmetics only? Jul 6 '14
4 121 coins and a balance May 27 '15
3 Is it fair to interlink clues? Oct 20 '18
3 What the L are they trying to prove? Jan 15 '17
1 Is there a puzzle that is only solvable by assuming there is a unique solution? Nov 14 '20
1 Puzzle on a blackboard Jun 30 '19
1 You're invited! Now what? Jun 17 '15

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