Brain teasers are fun, tricky puzzles designed to sharpen your mind and hone your capability for critical thinking. They encourage you to look beyond the obvious by applying logic and making quick observations toward arriving at the correct answer. Brain teasers are fun, tricky puzzles designed to sharpen your mind and hone your capability for critical thinking. They encourage you to look beyond the obvious by applying logic and making quick observations toward arriving at the correct answer. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle