QUESTION TEXT: Not surprisingly, there are no professors under…
QUESTION TYPE: Must Be True
FACTS:
- If you’re under 18, you’re not a professor and you can’t vote.
- Some brilliant people vote (and thus are 18 or over)
- Some brilliant people are professors (and thus are 18 or over)
- Some brilliant people are under 18 (and thus aren’t professors or voters).
ANALYSIS: I’ve combined the premises above
(in the brackets).
We can conclude that some brilliant people aren’t professors or voters, because they’re too young.
___________
- Tempting, but the stimulus said that no professor is under 18.
- We only know some brilliant people are in those three groups. But brilliant people could be in other groups, too. For instance, a brilliant, 28 year old lawyer who isn’t a professor and hates voting.
- In real life this is true. But in the stimulus, we have no evidence for this. We’re not told about anyone 18 or older who isn’t a professor.
- We’re not told much about professors: we only know they’re 18 or older. We don’t know if any of them are dumb or banned from voting.
- CORRECT. This is true of those brilliant people who are younger than 18. They can’t vote or be professors.
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