A math brainteaser has recently taken the attention of puzzle enthusiasts, leaving many Brits scratching their heads. Are you a person who can easily solve large sums in your head, like a human calculator? If so, this challenge could be the perfect test to push your math skills to the limit. The puzzle has proven so difficult that 99% of people who attempt it can’t solve it, making it a true test of numerical prowess. A math brainteaser has recently taken the attention of puzzle enthusiasts, leaving many Brits scratching their heads. Are you a person who can easily solve large sums in your head, like a human calculator? If so, this challenge could be the perfect test to push your math skills to the limit. The puzzle has proven so difficult that 99% of people who attempt it can’t solve it, making it a true test of numerical prowess. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle