All bakers get up early. Some early risers are runners. No runner is a night owl. Which statement must be true?
Answer and explanation
Correct answer: B. Some early risers are not night owls
- Step 1: Some early risers are runners, and no runner is a night owl.
- Step 2: So those early risers who are runners are not night owls, which means some early risers are not night owls.
- Step 3: The other statements need information the passage does not give.
Answer
Some early risers are not night owls.
Why not the others: The runners who rise early may not be bakers, so 'Some bakers are runners' is not certain, bakers could still be night owls, and nothing says every runner is a baker.
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