A new brain teaser tests cognitive abilities by challenging readers to form a square by moving one matchstick within 8 seconds. The puzzle features four matchsticks arranged in a plus sign. This test assesses logical reasoning and attention to detail, aiming to enhance problem-solving techniques. A new brain teaser tests cognitive abilities by challenging readers to form a square by moving one matchstick within 8 seconds. The puzzle features four matchsticks arranged in a plus sign. This test assesses logical reasoning and attention to detail, aiming to enhance problem-solving techniques. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle