Today’s challenge is to find the error in a simple equation: 1+2+3=3. Can you solve this brain teaser within 15 seconds? Brain teasers, puzzles, and IQ tests have become increasingly popular on social networks. They are often used to test problem solving skills and measure intelligence. Some challenges can be solved quickly and easily, while … Continue reading Brain teaser: Can you solve this matchstick puzzle in 15 seconds and prove your IQ?