wikiHow Practice Answers to Increase IQ 1. 12 2. 21 3. Mercury 4. Canberra 5. 1945 6. Au 7. Denali/Mount McKinley 8. Albert Einstein 9. Photosynthesis 10. Skin 11. Harper Lee 12. France 13. A = πr^2 14. Alexander Graham Bell 15. 2 16. Ludwig van Beethoven 17. H2O 18. Sir Isaac Newton 19. Nitrogen 20. Ottawa Keep in mind that IQ tests cover a wide range of cognitive abilities and are often more complex than the questions listed here. These questions are intended as a starting point to practice and develop your cognitive abilities. Page