Free Practice Question
CR · Critical Reasoning
555-605
Weaken
Oranges have more vitamin C than kiwis. However, since lemons have more vitamin C than limes, it follows that oranges have more vitamin C than limes. If introduced into the argument as an additional premise, any of the following would make the argument logically correct except: A. Lemons have more vitamin C than oranges. B. Oranges and lemons contain the same amount of vitamin C. C. Kiwis and lemons contain the same amount of vitamin C. D. Kiwis contain more vitamin C than limes. E. Kiwis contain more vitamin C than lemons.
Answer Choices
Correct answer marked belowA
Kiwis contain more vitamin C than lemons.
B
Oranges and lemons contain the same amount of vitamin C.
C
Kiwis and lemons contain the same amount of vitamin C.
Lemons have more vitamin C than oranges.
Correct
E
Kiwis contain more vitamin C than limes.
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Explanation
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Official Explanation
Official
To analyze the argument, we start with the premises: Oranges > Kiwis and Lemons > Limes. From these, we conclude that Oranges > Limes. We need to determine which additional premise does not support this conclusion. Option A states that Lemons have more vitamin C than Oranges, which contradicts the original premise that…
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Comments
3
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M
MadhavFeb 15, 2025
Greatt
R
RohanJul 12, 2024
Great question!
A
AnkitApr 8, 2024
thanks for posting
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