A challenging brainteaser tests critical thinking with a math problem of finding the missing value: 3 – 3 x 6 + 2 = ?. Solvers have seven seconds to use the BODMAS rule. Frequent practice of such puzzles enhances analytical skills and cognitive abilities, proving beneficial in later life. Solution to the puzzle is -13. A challenging brainteaser tests critical thinking with a math problem of finding the missing value: 3 – 3 x 6 + 2 = ?. Solvers have seven seconds to use the BODMAS rule. Frequent practice of such puzzles enhances analytical skills and cognitive abilities, proving beneficial in later life. Solution to the puzzle is -13. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle