Practice Lab is an entertainment and educational activity. It is not a clinical, diagnostic, standardized, or professionally recognized intelligence assessment. Practice items never count as unseen scored Novus Reasoning Challenge form questions. Your practice results are not an IQ score and cannot be used for Mensa qualification, diagnosis, giftedness identification, educational placement, employment selection, disability applications, accommodations, legal matters, or medical decisions.
Untimed instructional practice for the Novus Reasoning Challenge. Explanations teach the reasoning process. These items are not unseen scored-form questions and do not produce an IQ score.
1. All squares are rectangles. Shape S is a square. What follows? S is a circle S is a rectangle S is not a rectangle Nothing
2. If it rains, the pitch is wet. The pitch is dry. Best conclusion? It rained It did not rain It will rain Cannot use rules
3. Either A or B (exclusive). A is true. Then B is? Unknown True False Both
4. No birds are mammals. Penguins are birds. Penguins are? Fish Mammals Not mammals (from premises) Unknown always
5. If the alarm is armed and a door opens, siren sounds. Alarm armed; door opens. Siren? Disarmed Silent Unknown Sounds
6. Only seniors may enter Lab B. Jordan is not a senior. Jordan may enter Lab B? No (from rule) Yes Only weekends Unknown
7. All trains to X stop at Y. This train does not stop at Y. It goes to X? Maybe Yes No Always
8. Premise: If P then Q. You know Q. Does P follow? Q is false Yes always P is false Not necessarily
9. Exactly one of {red, blue} is correct. Blue is incorrect. Red is? Both Incorrect Correct Unknown
10. Every valid ID has a checksum digit. Token T has no checksum. T is valid? Yes No Maybe Always
11. If locked, key needed. Door is unlocked. Key needed? Always Yes Never Not from this alone
12. All A are B. Some B are C. All A are C? Yes Not necessarily Never Only if finite
13. Team ships only if tests pass. Tests failed. Ship? No Yes Maybe tonight Forced yes
14. Either left or right path. Not left. Path is? Right Left Both Neither
15. If skilled, may mentor. Maya mentors. Is Maya skilled? Never Yes No Not proven by this alone
16. No free seats ⇒ waitlist. There are free seats. Waitlist required? Not from this alone Yes Always Never seats
17. Rule: badge + escort for Zone 3. Badge yes, escort no. Enter Zone 3? Maybe Yes No Always
18. All errors are logged. Event E is not logged. E is an error? No (from premises) Yes Maybe Always
19. If weekend then library closed. Today library open. Today weekend? Yes No Maybe Always
20. Premises consistent: A→B, B→C, A true. C? Contradicts False Unknown True
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