wikiHow Practice Exercises to Increase IQ 1. What is the square root of 144? 2. What is the next number in the sequence: 1, 1, 2, 3, 5, 8, 13, ...? 3. Which planet is closest to the sun? 4. What is the capital of Australia? 5. In what year did World War II end? 6. What is the chemical symbol for gold? 7. What is the highest mountain in North America? 8. Which famous scientist is credited with developing the theory of relativity? 9. What is the process by which plants convert sunlight into energy called? 10. What is the largest organ in the human body? 11. Who wrote the novel "To Kill a Mockingbird"? 12. Which country gifted the Statue of Liberty to the United States? 13. What is the formula for the area of a circle? 14. Who invented the telephone? 15. What is the smallest prime number? 16. Which famous composer wrote "Für Elise"? 17. What is the chemical formula for water? 18. Who discovered the law of gravity? 19. Which gas is most abundant in the Earth's atmosphere? 20. What is the capital of Canada? These questions are designed to test a range of cognitive abilities, including mathematical reasoning, general knowledge, and language skills. By practicing with a range of IQ-style questions, you can develop and hone these cognitive abilities, which may ultimately help you to increase your IQ. Page