The optical illusion challenges readers to identify which of the bags contains money within five seconds, testing logical reasoning, IQ, and observation skills. The answer hinges on analyzing contradictory messages from each bag. The optical illusion challenges readers to identify which of the bags contains money within five seconds, testing logical reasoning, IQ, and observation skills. The answer hinges on analyzing contradictory messages from each bag. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle