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65% (01:46) correct
35%
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12 Days of Christmas 2024 - 2025 Competition with $40,000 of Prizes
The cobblestone streets in the old quarter of Castellonia provide urban planners and historians with an authentic representation of medieval street design. These streets have been preserved with minimal modern intervention, unlike many other historic city centers that have been updated or rebuilt.
Which of the following assumptions is the argument above making?
(A) The buildings surrounding the old quarter of Castellonia are largely from the same era as the cobblestone streets.
(B) There are no other city areas in Castellonia that have preserved their medieval street layouts.
(C) Many modern urban centers have street designs based on principles developed in medieval times.
(D) The cobblestone streets in Castellonia’s old quarter are more similar to their original medieval design than those in most other historic city centers.
(E) The techniques used to preserve streets in Castellonia have not changed significantly over the centuries.
The cobblestone streets in the old quarter of Castellonia provide urban planners and historians with an authentic representation of medieval street design. These streets have been preserved with minimal modern intervention, unlike many other historic city centers that have been updated or rebuilt.
Which of the following assumptions is the argument above making?
(A) The buildings surrounding the old quarter of Castellonia are largely from the same era as the cobblestone streets.
(B) There are no other city areas in Castellonia that have preserved their medieval street layouts.
(C) Many modern urban centers have street designs based on principles developed in medieval times.
(D) The cobblestone streets in Castellonia’s old quarter are more similar to their original medieval design than those in most other historic city centers.
(E) The techniques used to preserve streets in Castellonia have not changed significantly over the centuries.
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27 Dec 2024, 10:00
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GMAT Club's Official Explanation:
(A) Incorrect. We are not interested in the buildings, just street designs. Eliminate.
(B) Incorrect. We are not arguing about which city area in Castellonia are more preserved; our argument is specifically about the old quarter. We can eliminate this as well.
(C) Incorrect. We are not concerned with other cities adopting the principles but rather the argument around the preservation of streets to provide an authentic representation of medieval street design. Eliminate
(D) Correct Answer. This assumption is required for the argument to work. If the cobblestone streets in Castelloia’s old quarter are not more similar to their original design than in other cities, then there is no reason for us to study them as they would not be representative. Somewhat simple but subtle assumption.
(E) Incorrect. This is not a required assumption as techniques used to preserve streets are not covered (if these things even exist). We are not concerned with the preservation techniques, only the final product of unmodified design.
General Discussion
Heix
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27 Dec 2024, 09:14
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Let's analyze this Identify the Assumption question step by step:
Breakdown of the argument:
Premise 1; The cobblestone streets in the old quarter of Castellonia provide an authentic representation of medieval street design.
Premise 2: These streets have been preserved with minimal moder intervention, unlike many other historic city centers that have been updated or rebuilt.
Conclusion: The cobblestone streets provide urban planners and historians with an authentic representation of medieval street design.
Now, let's evaluate each option:
(A) The buildings surrounding the old quarter of Castellonia are largely from the same era as the cobblestone streets.
This is not necessary for the argument. The authenticity of the street design doesn't depend on the age of surrounding buildings.
(B) There are no other city areas in Castellonia that have preserved their medieval street layouts.
The argument doesn't require this to be true. Other areas could also have preserved layouts without affecting this argument.
(C) Many modern urban centers have street designs based on principles developed in medieval times.
This is irrelevant to the argument about Castellonia's streets being authentic representations of medieval design.
(D) The cobblestone streets in Castellonia's old quarter are more similar to their original medieval design than those in most other historic city centers.
This is the correct assumption. The argument claims that these streets provide an "authentic representation" and have been preserved with "minimal modem intervention," unlike many other historic centers. For this to be true, we must assume that Castellonia's streets are indeed more similar to their original design than those in other places.
(E) The techniques used to preserve streets in Castellonia have not changed significantly over the centuries.
The argument doesn't rely on this. The preservation techniques could have changed while still maintaining the original design.
Therefore, the correct answer is (D). The argument assumes that the cobblestone streets in Castellonia's old quarter are more similar to their original medieval design than those in most other historic city centers. This assumption bridges the gap between the premises and the conclusion, allowing the argument to claim that these streets provide an authentic representation of medieval street design.
Breakdown of the argument:
Premise 1; The cobblestone streets in the old quarter of Castellonia provide an authentic representation of medieval street design.
Premise 2: These streets have been preserved with minimal moder intervention, unlike many other historic city centers that have been updated or rebuilt.
Conclusion: The cobblestone streets provide urban planners and historians with an authentic representation of medieval street design.
Now, let's evaluate each option:
(A) The buildings surrounding the old quarter of Castellonia are largely from the same era as the cobblestone streets.
This is not necessary for the argument. The authenticity of the street design doesn't depend on the age of surrounding buildings.
(B) There are no other city areas in Castellonia that have preserved their medieval street layouts.
The argument doesn't require this to be true. Other areas could also have preserved layouts without affecting this argument.
(C) Many modern urban centers have street designs based on principles developed in medieval times.
This is irrelevant to the argument about Castellonia's streets being authentic representations of medieval design.
(D) The cobblestone streets in Castellonia's old quarter are more similar to their original medieval design than those in most other historic city centers.
This is the correct assumption. The argument claims that these streets provide an "authentic representation" and have been preserved with "minimal modem intervention," unlike many other historic centers. For this to be true, we must assume that Castellonia's streets are indeed more similar to their original design than those in other places.
(E) The techniques used to preserve streets in Castellonia have not changed significantly over the centuries.
The argument doesn't rely on this. The preservation techniques could have changed while still maintaining the original design.
Therefore, the correct answer is (D). The argument assumes that the cobblestone streets in Castellonia's old quarter are more similar to their original medieval design than those in most other historic city centers. This assumption bridges the gap between the premises and the conclusion, allowing the argument to claim that these streets provide an authentic representation of medieval street design.
