Free Practice Question
CR · Critical Reasoning
555-605
Weaken
Blueberries contain more fiber than apples. However, since blackberries contain more fiber than oranges, it follows that blueberries contain more fiber than oranges. If introduced into the argument as an additional premise, any of the following would make the argument logically correct except: A. Blackberries contain more fiber than blueberries. B. Blueberries and blackberries contain the same amount of fiber. C. Apples and blackberries contain the same amount of fiber. D. Apples contain more fiber than oranges. E. Apples contain more fiber than blackberries.
Answer Choices
Correct answer marked belowB. Blueberries and blackberries contain the same amount of fiber.
Correct
B
D. Apples contain more fiber than oranges.
C
A. Blackberries contain more fiber than blueberries.
D
E. Apples contain more fiber than blackberries.
E
C. Apples and blackberries contain the same amount of fiber.
See the full step-by-step explanation
You can see the correct answer above. Sign in for free to unlock the complete worked solution.
Track your performance and improve
Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.
Explanation
Preview
Official Explanation
Official
To determine which premise does not make the argument logically correct, we need to analyze the original statements. The argument states that blueberries contain more fiber than apples and that blackberries contain more fiber than oranges, leading to the conclusion that blueberries contain more fiber than oranges. For this conclusion to hold, we need to ensure that the relationships between the fruits are consistent. If we introduce premise A (Blackberries contain more fiber than blueberries), it contradicts the initial statement that blueberries have more fiber than apples, thus making…
Read the full explanation
Sign in for free to see the complete step-by-step solution to this question.
Comments
4
Sign in to join the discussion
A
AlexisMar 9, 2025
Great!
C
CherylFeb 28, 2025
Thank you very much!
Ö
ÖzcanJul 10, 2024
This is definitely a test-day trap
R
RajuanJun 29, 2024
Great!
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.
Related GMAT Topic Guides
Details
Difficulty
555-605
Type
CR