Randomly scramble the digits 0, 1, 2, 3, 4, 5 and 6 to form a seven-digit number (or a six-digit number if the leading digit is 0). Rank the following events in order ...

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 ...

A math puzzle is a type of brain teaser where the reader's critical thinking and problem-solving skills are tested. These ...

This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person ...