This devilishly difficult brainteaser has been leaving people confused. Maths isn't a subject many of us liked at school, but we all have to admit that puzzles are a great way to give our brains a ...

Parents have been left scratching their heads over a maths question aimed at seven-year-olds that was so tricky it even left adults on social media baffled. A mum has expressed her exasperation after ...