Every curator is trained. Some assistants are curators. Every trained person has an identity card. No person with an identity card is on the unregistered list. Every assistant works on weekends. Which conclusion must follow?
Correct answer: A. Some assistants are not on the unregistered list.
- A. Some assistants are not on the unregistered list.
- B. All assistants are on the unregistered list.
- C. Some curators have no identity card.
- D. All people working on weekends are curators.
Explanation
Some assistants are curators, so they are trained and have identity cards. No person with an identity card is on the unregistered list, so some assistants are not on that list.
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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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