A challenging maths riddle has been shared on X (formerly Twitter) by an account named ‘Brainy Quiz.’ The puzzle reads: “Only for Genius: 5 + 5 × 5 - 5 + 5” and presents four answer choices: 30, 50, 0 ...

Brain teasers have long been a favourite pastime for those who enjoy testing their logical thinking and problem-solving skills. Not only do they challenge the mind, but they also help improve ...