Find out your real IQ — accurately, right now.
20 questions · about 15 min · free, no sign-up
Begin assessmentCOGNITIVE ASSESSMENT NCA-20
What is
your IQ?
20 questions on the hidden rules between shapes.
Get your score and percentile right away.
- Questions
- 20
- Time limit
- 30:00
- Sign-up
- None
§ 1
Administration
| 01 | Comprehensive 20-question assessment |
|---|---|
| 02 | 30-minute time limit |
| 03 | No skipping questions allowed |
| 04 | Results cannot be modified after submission |
§ 2
Score interpretation
Average IQ: 100 · Standard Deviation: 15IQ Score Distribution
Average IQ: 100·Standard Deviation: 15
- 130+ Very Superior Top 2%
- 120-129 Superior Top 9%
- 110-119 High Average Top 25%
- 100-109 Average Top 50%
- 90-99 Low Average Top 75%
- 80-89 Below Average Top 91%
- 70-79 Borderline Top 98%
§ 3
Frequently asked questions
How long does it take?
20 questions with a 30-minute limit. Most people finish in about 15–20 minutes.
Is it free?
Taking the test is free. The detailed report — score, percentile and per-question answers — is a one-time payment of $7.99. No subscription.
How do I pay?
Through PayPal, with a card or your PayPal balance. We never see your card details.
Can I get a refund?
Yes, in full, if your report did not unlock, you were charged twice, or the payment was not yours. Email us within 14 days. Refund policy →
Do you collect personal information?
No account and no email address are needed to take the test. Results are tied to your browser, not to your identity.
How accurate is the score?
Question difficulty comes from real answer rates and scores are normed to mean 100, SD 15. It is not a clinical diagnosis, and your score can vary with sleep, focus and device.
What is your IQ score?
Begin assessment