Welcome to the puzzle of the day! Today’s challenge is to solve an equation with an error in less than 15 seconds. The starting equation is 1+7=0, but clearly this is incorrect. Puzzles and brain teasers are commonly used in IQ tests, and have become popular on social media networks as well. Solving puzzles and … Continue reading Math challenge: Test your IQ and prove you’re a genius by moving just 1 matchstick in 15 seconds!