17
votes
Can a standard Sudoku puzzle contain a miniature Sudoku puzzle?
sudoku
asked Jul 18, 2023 at 19:01
puzzling.stackexchange.com
17
votes
An Almost-squarish set of numbers
mathematics
number-theory
asked May 31, 2023 at 23:49
puzzling.stackexchange.com
17
votes
Can you find a grand tour of the rooms in this 12x12 grid?
logical-deduction
grid-deduction
graph-theory
mazes
asked Sep 27, 2024 at 8:10
puzzling.stackexchange.com
17
votes
Can you arrange ABCD...Z into a straight line so that consecutive letters of the alphabet have an odd number of letters between them?
mathematics
logical-deduction
letters
asked Oct 7, 2024 at 6:23
puzzling.stackexchange.com
17
votes
Unneighbourly circuit. Is there a closed rook tour on a 4x4 chessboard where the rook never moves to an adjacent square?
chess
checkerboard
asked Apr 8 at 4:54
puzzling.stackexchange.com
17
votes
Trying to guess (as closely as possible) an unknown number X which is an integer between 1 and 100
mathematics
optimization
strategy
asked Mar 11 at 5:10
puzzling.stackexchange.com
17
votes
Can you find sets of 4 (or 5) positive integers such that their pairwise sums give consecutive numbers?
mathematics
calculation-puzzle
asked Apr 19 at 5:59
puzzling.stackexchange.com
16
votes
Who wins this chocolate bar breaking game?
strategy
asked Oct 9, 2024 at 6:14
puzzling.stackexchange.com
16
votes
Can we find four identically colored numbers?
mathematics
asked May 22, 2024 at 2:49
puzzling.stackexchange.com
16
votes
Make exactly 101 squares using as few lines as possible
geometry
optimization
construction
asked May 27, 2024 at 21:40
puzzling.stackexchange.com
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