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Matsmath's user avatar
Matsmath's user avatar
Matsmath's user avatar
Matsmath
  • Member for 8 years, 3 months
  • Last seen more than a week ago
  • Europe
14 votes

I go round and round

12 votes
Accepted

4 Gridded Prime Numbers

11 votes
Accepted

Hotel renovation goes wrong

9 votes
Accepted

Two honeycomb hints (yet another 'find the next number in the sequence')

6 votes
Accepted

I Have Three Colors: A "What Am I" Riddle

6 votes

What kind of glues are not conducive to long-term puzzle preservation?

6 votes

The Universe and Spaceships

6 votes

Yet another number sequence puzzle

5 votes

We are 5 different numbers

5 votes

A 9-letter word

5 votes

A triangle formed of three letters

5 votes
Accepted

Three truth teller boys on an island

4 votes
Accepted

Apples going bad in the fridge

4 votes
Accepted

5x5 table with unique properties

4 votes

Not Quite Six Feet Under

4 votes

Can Player 1 get 100 X’s in a row?

3 votes
Accepted

What 7-letter word am I?

3 votes

Find the 4-digit code!

3 votes

Determine which statements are True, and which statements are False

2 votes

Special 5x5 Sudoku-like table

2 votes

Triangles with fixed perimeter

2 votes

Word Number Puzzle

2 votes
Accepted

Find 5 digits, which have the most numbers of prime numbers

1 vote

What's In Your Pocket?

1 vote

Modify a magic square

1 vote
Accepted

Numbers at the corners of concentric squares (part 2)

1 vote

(addition) 7 point star / heptagram

1 vote
Accepted

Multiply 2 palindromic alphametics to make a pandigital number

1 vote

Decipher the word CFKQYUQ

1 vote

What are they trying to solve?