The article discussed an optical illusion challenge requiring participants to identify the number 690 within 5 seconds. Difficulty arises due to the similarity in appearance between the digits 9, 6, and 0, which can be visually misleading. The article explained how optical illusions exploit human perception quirks and offered a simple tip for solving the challenge quickly. The article discussed an optical illusion challenge requiring participants to identify the number 690 within 5 seconds. Difficulty arises due to the similarity in appearance between the digits 9, 6, and 0, which can be visually misleading. The article explained how optical illusions exploit human perception quirks and offered a simple tip for solving the challenge quickly. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle
Can you spot 690 in this image in under 5 seconds?
