Some red cards are numbered. All numbered cards are registered. Which conclusion must follow?
Correct answer: A. Some red cards are registered.
- A. Some red cards are registered.
- B. All red cards are registered.
- C. No red cards are numbered.
- D. Some registered cards are not red.
Explanation
At least one red card is numbered. Since every numbered card is registered, that red card must be registered.
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About Logical Deductions
Logical deductions require conclusions to be drawn from stated facts, conditions and relationships without adding outside information. The work includes handling all, some and none statements, necessary and sufficient conditions, ordering restrictions, true or false conclusions, and the difference between what must be true and what could be true.
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