Logic puzzles present real challenges ... However, an intriguing square-counting riddle such as this may leave you with a headache, as the seeming multiplicity of squares seemingly dances before ...

The square root of 2025 is 45. The divisors of 45 (apart from 45 itself) are 1, 3, 5, 9 and 15. The product of these numbers ...

Logic puzzles are great problem-solving activities ... The same goes for the columns and the square sections that consist of ...

The 'hardest logic puzzle in the world' has left many utterly baffled, with scores of people throwing in the towel after mere moments of attempting to solve it. The notorious blue eyes conundrum ...