IQ tests are beneficial for determining intelligence and promoting good cognitive health. The shared puzzle, which also tests attention and problem-solving skills, challenges readers to spot three errors in an image within nine seconds. Solutions reveal a man holding a banana instead of a phone, a historic photo featuring a car, and mismatched shoes. IQ tests are beneficial for determining intelligence and promoting good cognitive health. The shared puzzle, which also tests attention and problem-solving skills, challenges readers to spot three errors in an image within nine seconds. Solutions reveal a man holding a banana instead of a phone, a historic photo featuring a car, and mismatched shoes. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle