How many can you solve in 10 minutes?
25 puzzles: patterns, numbers, words and shapes. Free to take.
Try one first. What comes next?
3, 6, 12, 24, ?
Free to take.
Instructions
- You have 10 minutes for 25 questions. They get harder as you go.
- Skip anything you're stuck on. You can come back before you submit.
- If you reload the page, your answers are still there.
- When the timer hits zero, your answers are submitted.
Your answers are graded as soon as you finish. To see your score, your percentile, how you did in each skill, a certificate with your name and a story-sized share image, pay $9.99 USD once.
Top 3 countries for IQ
- 1stSouth Korea
- 2ndJapan
- 3rdChina
As ranked in Lynn and Vanhanen's widely cited national IQ estimates. These figures are rough and debated: many come from small samples that may not represent the whole country.
Famous minds
Tap a name for more. The IQs are popular guesses: none of them ever took a test, so the numbers were estimated long after the fact. Portraits: Wikimedia Commons, public domain.