Discover your IQ

Select your test duration


  1. Number of Questions:

    The test consists of 30 or 60 questions.
  2. Test Duration:

    You will have a total of 20 or 40 minutes to answer as many of the questions as possible.
  3. Scoring Strategy:

    To achieve a high score, it is best to answer all questions. Take the time to carefully answer each question, but do not spend too much time on questions you do not know the answer to.
  4. Scoring Criteria:

    Your score is based on the number of questions you answer correctly, the difficulty level of the questions you answered correctly, and the time you used to answer all the questions.
  5. Difficulty Level:

    The difficulty level of the questions will be adjusted according to your level. There are 20 different difficulty levels, and all users start with a level 1 question. The difficulty level increases by 1 for each correct answer and decreases by 1 for each incorrect answer.
  6. IQ Score Calculation:

    Your 'raw score' is determined by the number of questions you answered correctly, the difficulty level of those questions, and the time taken to answer all questions in the test. Your raw score is then compared to all other people who completed the Brght IQ test to calculate your IQ score. The median score is 100, with a standard deviation of 15.
  7. Test Retake:

    You can take the test as many times as you want, and the questions will be different each time.
  8. Calculator Use:

    You are not allowed to use a calculator during the test.
  9. Test Pause:

    The test cannot be paused. Once you begin, you have 20 minutes to earn as many points as possible.
  10. Answer Change:

    Once you submit an answer to a question, you cannot change it.
  11. Result Access:

    To support the site, we ask a single payment of $29.95 after the full 40 minutes, 60 questions test for the results; There is no auto-renewal or subscription.