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🇧🇷 Brazil ONIA 2025, Phase 1

First-phase test (all categories)

Twenty elementary multiple-choice questions on what AI is, chance versus intelligence and visual pattern puzzles.

To hand in
Written answers
Data type
✍️ Written questions
Estimated difficulty
Unknown
Solution
See a solution ↗ · best opened after you have tried

Get ready on the platform

The foundations of the learning path for this kind of data.

›How to tackle it
  1. Read everything first. Note what each question asks and how it is marked.
  2. Work on paper. Justify every step: at an olympiad, the reasoning earns the points.
  3. Then compare. Open the solution only once you have an answer, and compare your reasoning with it.

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