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Ben Frankel's user avatar
Ben Frankel's user avatar
Ben Frankel's user avatar
Ben Frankel
  • Member for 9 years
  • Last seen more than 4 years ago
3 votes

Frugality 101: How to Replace Your Police Force with Cardboard Cutouts

4 votes

Rock-paper-scissors

3 votes

Can you generate the next number in this integer series and describe the rule?

9 votes

Five Cousins Camping

8 votes
Accepted

Arranging all the Dominos

11 votes
Accepted

Perfectionist Pete's Perfect Pain: Even Tilings

13 votes
Accepted

Professor Halfbrain's second cutting theorem

15 votes
Accepted

Professor Halfbrain's first cutting theorem

5 votes

Termite eating through a large cube composed of 27 smaller cubes while not moving diagonally

3 votes

Non-Pythagorean coins (Part 2)

3 votes

Hoping for a new start

9 votes
Accepted

Don't try this if you don't know your maths!

19 votes
Accepted

Checkerboard tour

3 votes

Occupy a field with tetrominos

8 votes

Tiling a diamond-shaped grid with tetrominoes

2 votes

Points following an axiom

8 votes
Accepted

What band is this?

4 votes
Accepted

Repunit replication

1 vote

Extremely hard prime factor based true-false statements

4 votes

When logic problems require "yes-no" questions, are there conventions for questions that might get an "I don't know"?

0 votes

Checkers with the devil

6 votes
Accepted

Obi-Wan vs Grievous

22 votes

Making π from 1 2 3 4 5 6 7 8 9

12 votes
Accepted

The Three Seers

4 votes

Sudoku net that is always solvable

18 votes
Accepted

The Mendoza Line

7 votes
Accepted

Create integers from 1 to 50 using only one integer and other functions

10 votes
Accepted

What is this magic trick with a sarcophagus shaped box and a set of tokens?

5 votes

Fill the holes?

9 votes
Accepted

Vegas Street Magician Math Trick