Today’s brain teaser is an intriguing equation: 511-2=309. At first glance, it appears incorrect, but can you solve this error in less than 20 seconds? Puzzles like these are common in IQ tests and brain teasers, designed to stimulate critical thinking and problem-solving abilities. In our digital age, such challenges have gained immense popularity on … Continue reading Math brain teaser: Only genius IQs can solve this 1-matchstick move challenge in under 20 seconds!