Unsolved IQ Questions
These unsolved IQ questions are still waiting for an official answer. Work out the rule and contribute your explanation to help the community.
IQ Questions
?
Classic Missing Number Puzzle
?
Table Puzzle: Find the Number in the Empty Cell
?
Find the Missing Number in the Sequence
?
Fill in the Missing Numbers on the Poster
?
Doubling Sequence Puzzle: Replace the Question Marks
?
Circular Wheel Number Puzzle: What Number Is Missing?
?
Number Grid: Which Number Is Missing?
?
Missing Number Puzzle: Can You Solve It?
?
Whiteboard Puzzle: What Are the Missing Numbers?
?
Viral Number Grid Puzzle: 90 Percent Get It Wrong
?
Multi-Row Table: Find Every Missing Number
?
Viral Missing Number Puzzle: Solve It and Share
?
Row Sum Puzzle: Find the Missing Number in Each Row
?
Segment Puzzle: Which Number Fills the Empty Segment?
?
Three Triangles Number Puzzle: Find the Missing Number
?
What Is Missing From the Number Line?
?
Four Squares with One Number in the Middle: Find It
?
Maths Puzzle: If 2+3=10, What Does 5+6 Equal?
?
Number Pattern in Two Groups: Find the Rule
?
Sudoku-Style Number Puzzle: Fill the Grid
?
Green Square Puzzle: Find the Missing Number
?
Number Chain Puzzle: Find the Missing Link
?
What Am I? I Have a Hat But No Head
?
Look at the Office Scene: Who Is the Boss?
Help Us Solve These IQ Questions
These questions are waiting for an official answer. Each one has been verified as a legitimate IQ-style puzzle, but our editorial team has not yet published a step-by-step solution. This is your opportunity to contribute, study the question, work out the reasoning, and submit your explanation to help other learners.
Community-submitted solutions are reviewed by our editorial team. High-quality explanations that correctly identify the underlying rule and clearly walk through the logic are published as official answers and credited to the contributor.
How to Submit a Solution
Study the Question
Look carefully at the image. Identify what type of question it is, a number grid, a shape sequence, a spatial count, and recall the reasoning strategies that apply to that category.
Find the Rule
Every IQ question has exactly one consistent rule that produces the correct answer. Test your hypothesis against all given elements before committing. If one piece doesn't fit, the rule is wrong, refine it.
Write a Clear Explanation
A good explanation states the rule, shows how it applies to each known element, and derives the answer step by step. Avoid simply stating the answer, show the reasoning that leads to it.
Submit for Review
Use the submission form on the question detail page. Our editorial team reviews all submissions and publishes explanations that meet our accuracy and clarity standards.
Frequently Asked Questions
What happens after I submit a solution?
Your submission is queued for editorial review. If approved, it is published as the official answer on the question page. You will be credited by name if you provided one in your submission.
Can I submit a solution if I'm not certain of the answer?
You can submit your best attempt, but explain your reasoning clearly. Submissions that show sound reasoning, even if the final answer is debated, are more useful than bare answers without explanation.
Are there rewards for contributing solutions?
Contributing solutions is currently voluntary. Credit is given by name on the published explanation. We may introduce contributor recognition features in the future.
How long does review take?
Most submissions are reviewed within a few days. High-quality explanations for questions with multiple competing submissions may take longer as we evaluate and reconcile different approaches.