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 less than the real ones. Using a set of old-fashioned balance scales, what ...

A viral maths puzzle is leaving people scratching their heads, as although the answer is simple, one thing makes the question ...

A new mathematical puzzle has caught the internet’s attention, challenging users to put their logic and reasoning skills to the test. (Also read: Optical illusion: Can you spot the hidden cat in this ...

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 ...

A maths puzzle that should be easy to answer is leaving people online baffled, as one word in the question makes it 'harder ...