Readers are encouraged to test their visual sharpness by locating a hidden tiger in a jungle image within 8 seconds. The article explains that solving optical illusions can be indicative of higher IQ and cognitive agility, emphasizing the relationship between quick problem-solving skills and intelligence levels. Readers are encouraged to test their visual sharpness by locating a hidden tiger in a jungle image within 8 seconds. The article explains that solving optical illusions can be indicative of higher IQ and cognitive agility, emphasizing the relationship between quick problem-solving skills and intelligence levels. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle