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 ...

A seemingly simple multiple-choice question has left the internet divided. The more people try to solve it, the more confusing it gets, and the answer may not be what you expect.

Mathematics is a “science which requires a great amount of imagination”, said the 19th-century Russian maths professor Sofya Kovalevskaya – a pioneering figure for women’s equality in this subject. We ...