Free Practice Question
CR · Critical Reasoning
555-605
Weaken
Blueberries contain more vitamin C than oranges. However, since blackberries contain more vitamin C than apples, it follows that blueberries contain more vitamin C than apples. If introduced into the argument as an additional premise, any of the following would make the argument logically correct except: A. Blackberries contain more vitamin C than blueberries. B. Blueberries and blackberries contain the same amount of vitamin C. C. Oranges and blackberries contain the same amount of vitamin C. D. Oranges contain more vitamin C than apples. E. Oranges contain more vitamin C than blackberries.
Answer Choices
Correct answer marked belowA
Oranges contain more vitamin C than apples.
Blackberries contain more vitamin C than blueberries.
Correct
C
Oranges and blackberries contain the same amount of vitamin C.
D
Blueberries and blackberries contain the same amount of vitamin C.
E
Oranges contain more vitamin C than blackberries.
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Explanation
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Official Explanation
Official
To determine which premise does not logically support the conclusion that blueberries contain more vitamin C than apples, we analyze each option. The original argument states that blueberries > oranges and blackberries > apples, leading to the conclusion that blueberries > apples.…
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Comments
3
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E
ethanMar 24, 2025
Love how you solved this
K
kaushikApr 27, 2025
this helped me
M
MrMar 2, 2025
Amazing
What this question tests
What it tests
Whether you can identify the option that most undermines an argument's conclusion.
Common trap
Choosing an irrelevant objection or one that attacks the premise rather than the reasoning.
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Details
Difficulty
555-605
Type
CR