Think you have a high IQ? Only the sharpest minds can solve this challenging matchstick puzzle in under 7 seconds! This ...

A maths question that should be 'easy' to solve has been leaving people online completely stumped, as one twist makes it much ...

Puzzle games are for a niche audience, but these are the best Xbox puzzlers to keep veterans and newcomers busy.

The math brain teaser shared on Reddit challenges people to decipher how many times the number 1 appears on a 24-hour digital ...

Do you think you can prove you have a high IQ by solving the puzzle in 30 seconds or less. Test your skills with the tricky ...

Consider the following rule: Start with any two-digit number, then repeatedly multiply the digits together until the result ...

September/992024/logic-feat.jpg" width="1200" height="675" /> A logic puzzle is designed to stretch your mind and sharpen ...

Adding to the confusion is that some rules set a speed-based computing threshold — how many floating-point operations per second, known as flops — while others are based on cumulative number of ...

To find D2, we reference to E3’s clue. The only number that would fit is a 4. The final box, D1, has to be a 6 because the B column does not contain a 6 (A3 clue). This is the completed puzzle!

Since each even number other than 2 needs to be adjacent to its half ... By process of elimination, D5=3. The same logic that proved that 6 was not in D5 proves that 18 is not in E4. 18 must border 9 ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.