It's a math puzzle designed for third graders, but many adults are having trouble solving it. The puzzle looks something like Scrabble, with a series of boxes that snake up, down and across a page.

Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...

The rules of Sudoku dictate that every row, column and 3×3 bolded box in the completed grid must contain the digits 1 through 9 exactly once. A surprising fact emerges from these simple rules. In ...

Mathematical brain teasers have become a favourite pastime for puzzle enthusiasts, challenging both logical reasoning and problem-solving skills. These puzzles not only test mathematical aptitude but ...

Jigsaw Puzzles are tiling puzzles that require the assembly of some irregularly shaped, interlocking pieces of card in a regular and perfect shape that forms a complete picture. Jigsaw Puzzles are a ...

A brain teaser is a short, playful puzzle designed to make your mind stretch and smile. It could be a riddle, a tricky question, a visual illusion, or a logic twist that nudges you to think beyond the ...