IQ tests, puzzles and brain teasers have become increasingly popular on social networks in recent years, giving users the chance to gauge their problem-solving abilities and challenge their friends. Today’s puzzle is no exception – it’s a real head-scratcher, but one that can be solved with a bit of lateral thinking. The starting equation is … Continue reading Brain teaser: Can you solve this math challenge in under 10 seconds with just one move? Test your IQ!