Challenge yourself with a number puzzle where an odd number lurks among '2222.' The key to solving lies in relaxing your gaze ...

Everyone wins! Every puzzle associated with the shortcuts can be found in "S.C. Bolt's Number Puzzles Volume 1". This is one ...

“Can you find the missing number in 15 seconds?” the brain teaser reads. This puzzle tests both your sharp vision and quick thinking under pressure. X users actively tired to solve this brain ...

FT.com will bring you the crossword from Monday to Saturday as well as the Weekend FT Polymath.

A maths puzzle that only 10% of people can solve has been shared on TikTok, but people have been left scratching their heads over the answer – can you work it out?

Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution ...

Minesweeper is a vintage PC game that still has fans, but it can be confusing if you're a newbie. What do the all-important ...

The finished puzzle is a section of the periodic table, so the numbers on each tile are their atomic numbers - that means they increase from left to right and top to bottom. Another helpful clue ...

Prove that the number of dots with an odd number of lines that connect them is even. Show puzzle solution Because two people are involved in every handshake, if we add up the number of handshakes ...

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