Prolific puzzle inventor Henry Ernest Dudeney published the following problem in his 1917 book Amusements in Mathematics.The current version of the U.K.’s Union Jack flag was introduced in 1801. This ...

Sudoku and other puzzles can incorporate play and critical thinking skills, while easing students into solving standard math ...

You have a sharp brain if you can solve this math puzzle. Test your problem-solving skills and intelligence now! Math puzzles test readers' critical thinking skills by challenging them to solve ...

A Brain teaser is a type of puzzle which requires thinking and logical skills. In these types of puzzles, even math riddles are a type of puzzle in which puzzles are in numerical form. These maths ...

Two missiles speed directly toward each other, one at 9,000 miles per hour and the other at 21,000 miles per hour. They start 1,317 miles apart. Without using pencil and paper, calculate how far apart ...