Brainzilla

The Incredible Eight

This self-referential test consists of eight multiple choice questions. Can you solve it?

Author: Lauri Tervonen

1.

C is the correct answer to how many questions?

  • A.
    1
  • B.
    2
  • C.
    3
  • D.
    4
2.

Which letter is the correct answer fewer times than any other?

  • A.
    D
  • B.
    B
  • C.
    C
  • D.
    A
3.

Which letter is the correct answer more times than any other?

  • A.
    D
  • B.
    C
  • C.
    B
  • D.
    A
4.

Which one of these is the only true statement?

  • A.
    There are four questions with the answer A.
  • B.
    A is the right answer to exactly one question.
  • C.
    B is never the right answer.
  • D.
    There is an equal amount of A's and C's among the correct answers
5.

When is A the correct answer for the first time?

  • A.
    On the fifth question
  • B.
    On the sixth question
  • C.
    On the seventh question
  • D.
    On the first question
6.

How many occurrences of the most common answer are there?

  • A.
    3
  • B.
    4
  • C.
    5
  • D.
    6
7.

Which ones are the only two consecutive questions with the same answer?

  • A.
    2 and 3
  • B.
    7 and 8
  • C.
    1 and 2
  • D.
    4 and 5
8.

Which question is the only one with the same answer as this one?

  • A.
    4
  • B.
    2
  • C.
    3
  • D.
    7

How to Play

  • Click once on an answer to mark it as wrong;
  • Click twice to mark it as correct;
  • The bar next to each question shows if the question is logically correct (green) or wrong (red).

About

  • Each test has some number of multiple choice questions about itself;
  • There is only one correct answer for each question;
  • The solution can be found "without too much trial-and-error".

Need help?

Is it too hard or you don't understand how to play? Try to solve this one:

More Self-Referential Quizzes

Check out our sister website Logiquiz.com to play 5 new Self-Referential Quizzes every day.

Brain Training using Self-Referential Quiz

Self-Referential Quiz (SRQs) are assessments that involve questions about the test itself. These tests have been widely used in psychology and cognitive science to study self-awareness, cognition, and even paradoxes. Recently, the concept has been applied to brain training exercises.

Benefits of Using Self-Referential Quizzes for Brain Training

  • Enhanced Cognitive Skills: SRQs require high-level thinking and problem-solving.
  • Improved Self-Awareness: The nature of the questions helps individuals understand their own thought processes.
  • Increased Attention Span: The complexity of the questions demands sustained attention.

Methods of Application

There are several ways to incorporate Self-Referential Quiz into a brain training regimen:

  • Integration with Existing Programs: Adding SRQs to current brain training apps or programs.
  • Standalone SRT Apps: Specialized applications focused solely on Self-Referential Quizzes.
  • Physical Workbooks: Traditional paper-based SRQs for those who prefer offline methods.

Challenges and Limitations

While promising, there are some challenges and limitations to consider:

  • Complexity: Some SRQs can be too complex for beginners.
  • Validity: The scientific backing for the efficacy of SRQs in brain training is still under study.
  • Accessibility: Not all SRQs are easily accessible or user-friendly.
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