Optical illusion: Only those with high IQ minds can find the mistake in 5 seconds

Brain puzzles and image puzzles are fun methods of testing and developing problem-solving abilities. These puzzles challenge the mind to think creatively, refining observation abilities and concentration. Regular practice of such puzzles can increase intelligence and provide your brain with much-needed exercise. Brain puzzles and image puzzles are fun methods of testing and developing problem-solving abilities. These puzzles challenge the mind to think creatively, refining observation abilities and concentration. Regular practice of such puzzles can increase intelligence and provide your brain with much-needed exercise.  Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle