A local tennis club has 15 members. The organizer wants every member to play the same number of matches at an upcoming event, ...

You'll need to pay careful attention to every detail of this puzzle if you want to crack it correctly. Tackling brainteasers is a brilliant way to maintain your mental sharpness. Exercising your brain ...

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 ...