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GMAT Club Olympics 2024 (Day 2): Urban Planner: The installation of

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SwethaReddyL

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I think the answer is ‘B’ as it correctly identifies the cause for the higher cost

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IMO D!

Explanation :
Conclusion: the widespread adoption of green roofs has been slow.
Why has the adoption been slow ?
1. the initial cost of installing green roofs is considerably high
2. ?

Therefore, The questions wants us to find out the most probable reason as to why the adoption has been slow.

Now going through the options:

A: Although the passage doesnt mention anything about the labour, this options gives us a impression that Labour Shortage is not reason why Adoption is slow. - Wrong
B: This options give us a impression that since the suppliers of the materials are far from urban center's, it could cause a logistics issue or delay. Hence could be a reason why Adoption has been slow - Maybe
C: tax incentives for green construction means that People should likely Adopt the Green roofs. Doesnt tell us why the adoption has been slow -Wrong
D: This option provides a direct contrast between traditional roof tops and green roof tops. Traditional Roof tops are cheap and easy to install hence maybe thats why the adoption of green roof tops is slow, since they are already Expensive - Strong Maybe
E: this options just explains the benefits of having green rooftops. Doesnt tell us why the adoption has been slow: Wrong

Now Between B and D, D is more likely to be the reason because :
1. It provides a direct contrasting information against a information given in the passage. { the initial cost of installing green roofs is considerably high}
2. as for B, there is not mention in the passage regarding the supplier's, so it is little out of context.

Hence D!

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10 Jul 2024, 02:38

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To logically complete the urban planner’s argument, we need a reason that supports why the adoption of green roofs has been slow, complementing the idea that the initial cost is high. The argument points out that despite the benefits, adoption is slow due to the high cost and another reason. The correct answer should provide an additional hurdle or disadvantage associated with green roofs that would further explain their slow adoption.

Let's analyze each option:

(A) There are sufficient numbers of skilled laborers available to install green roofs.

This option suggests that labor availability is not an issue, which does not help explain the slow adoption of green roofs. It actually contradicts the idea of a hindrance.

(B) Green roof materials are often sourced from suppliers who are located far from urban centers.

This option introduces another potential cost factor, suggesting that the materials are more expensive due to transportation costs. This could contribute to the high initial cost but does not add a distinctly different reason for slow adoption.

This option implies there is financial support for green construction projects, which would encourage adoption rather than explain slow adoption.

(D) Traditional roofing solutions are generally less expensive and quicker to install than green roofs.

This option provides a clear reason for the slow adoption of green roofs. It highlights that traditional roofs are both cheaper and faster to install, which are strong incentives for choosing traditional roofs over green roofs.

(E) Green roofs typically last longer than traditional roofing materials, thus potentially saving money over time.

This option highlights a long-term benefit of green roofs, which would encourage adoption rather than explain why adoption is slow.

Therefore, the option that most logically completes the urban planner’s argument is:

(D) Traditional roofing solutions are generally less expensive and quicker to install than green roofs.

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Bunuel

This question was provided by GMAT Club
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OA = D

We have to find a statement which will say statement which will support why green roofs is not widespread. This is exactly written in D.

(A) there are sufficient numbers of skilled laborers available to install green roofs = This is weakening, we need to fill the spaces which add an additional point on that.
(B) green roof materials are often sourced from suppliers who are located far from urban centers. - It is adding a point but not in connection with the first statement.
(C) tax incentives for green construction projects are commonly available in urban areas - OOS
(D) traditional roofing solutions are generally less expensive and quicker to install than green roofs. Correct An
(E) green roofs typically last longer than traditional roofing materials, thus potentially saving money over time. - We have to find a statement which will say statement which will support why green roofs is not widespread. So it is not our ans.

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Ans: (D) traditional roofing solutions are generally less expensive and quicker to install than green roofs

(A) there are sufficient numbers of skilled laborers available to install green roofs

This option does not support the argument about the slow adoption of green roofs. If skilled laborers are available, it would not contribute to the slow adoption.

(B) green roof materials are often sourced from suppliers who are located far from urban centers

This could be a reason for higher initial costs due to transportation expenses, but it does not directly explain why the adoption is slow despite the benefits.

(C) tax incentives for green construction projects are commonly available in urban areas

This would likely promote the adoption of green roofs, contradicting the argument about slow adoption due to high costs.

(D) traditional roofing solutions are generally less expensive and quicker to install than green roofs

This option directly addresses the reason for the slow adoption: traditional roofs are cheaper and faster to install, making them a more attractive option despite the benefits of green roofs.

(E) green roofs typically last longer than traditional roofing materials, thus potentially saving money over time

This would actually support the adoption of green roofs by highlighting their long-term benefits, contradicting the argument about slow adoption.

Correct Answer: D. Traditional roofing solutions are generally less expensive and quicker to install than green roofs.

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(A) This does not provide a reason for the slow adoption of green roofs. If anything, it suggests that labor availability is not a problem, which would contradict the argument.

(B) This could imply higher costs or logistical challenges, but it does not directly address why the adoption has been slow in the same way that initial costs and competing solutions do.

(C) This would actually support the adoption of green roofs rather than explain why it is slow. It contradicts the argument by implying there is financial support for green roofs.

(D) This provides a direct reason for the slow adoption of green roofs by highlighting the advantages of traditional roofs in terms of cost and installation speed, complementing the point about high initial costs.

(E) While this is a benefit of green roofs, it does not explain why their adoption has been slow. It actually provides a reason for adopting green roofs.

Therefore, the correct answer is:
(D) traditional roofing solutions are generally less expensive and quicker to install than green roofs.

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The answer is D
Since we need to find a possible reason for reluctance in installing green roofs, D fits as traditional roofing is cheap and easy to install.

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(A) Incorrect: there are sufficient numbers of skilled laborers available to install green roofs

This answer choice addresses a potential logistical concern but does not directly relate to the main barrier discussed in the argument, which is the high initial cost of green roofs. Even if skilled labor is available, the cost factor still remains prohibitive for many potential adopters. Therefore, this choice does not logically complete the argument because it does not explain why the initial costs are a barrier to adoption.

(B) Incorrect: green roof materials are often sourced from suppliers who are located far from urban centers

This answer choice introduces a logistical issue related to material sourcing, which could potentially impact the cost and feasibility of installing green roofs. However, it does not directly address why the initial costs of green roofs are high compared to traditional roofing solutions. The argument primarily concerns the economic barrier posed by these costs, not the logistical challenges of material procurement.

This answer choice suggests that tax incentives could potentially mitigate the high initial costs of green roofs. While tax incentives can indeed influence economic decisions, this option assumes their availability and impact, which may vary widely depending on local policies and regulations. Moreover, even with tax incentives, the fundamental issue of high initial costs compared to traditional roofs is not directly addressed in this option.

(D) Correct: traditional roofing solutions are generally less expensive and quicker to install than green roofs

This answer choice directly addresses the core argument presented in the passage. The main barrier to the widespread adoption of green roofs, despite their benefits in reducing city temperatures and energy consumption, is their high initial cost. If traditional roofing solutions are cheaper and faster to install, it explains why many developers and building owners opt for them instead of green roofs. This cost disparity forms a significant economic barrier to the adoption of green roofs in urban areas.

(E) Incorrect: green roofs typically last longer than traditional roofing materials, thus potentially saving money over time

This answer choice discusses a potential long-term benefit of green roofs, which is their durability and potential cost savings over their lifespan. While this is a positive aspect of green roofs, it does not directly explain why the initial costs are a barrier to their adoption. The argument focuses on the upfront cost issue and why it deters widespread adoption, rather than the potential savings over time.

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Urban planner argument in last sentence revolves around "high initial cost" for installation of green roofs.
So, logically his argument complete statement should be related with it.
Let's look at the options:

A. Incorrect. No relation with higher initial cost. If there are workers available then why does green roof adoption has been slow?
B. Incorrect. No mention of transporting the material or how is it related with cost. We do not know if transporting cost from ubran center is significantly higher or not.
C. Incorrect. Does opposite. If tax incentives are available then they can offset higher initial cost.
D. Correct. Less expensive traditional roofing solutions explains why green roofs adoption has been slow. If it is less costly, then people would choose it over green roofs.
E. Incorrect. Same as C, does opposite. If it can potentially save money long time, then it should be able to help with higher initial cost.

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Answer: (D) traditional roofing solutions are generally less expensive and quicker to install than green roofs

Statements A, C and E are making an argument which is logically opposite to the urban planner's statement. B is supplementary to the statement about costs or doesn't provide additional context about costs. Hence D is the only logical conclusion.

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(A) there are sufficient numbers of skilled laborers available to install green roofs #This should promote green roon & not slow down.
(B) green roof materials are often sourced from suppliers who are located far from urban centers #Correct. This adds to overhead cost.
(C) tax incentives for green construction projects are commonly available in urban areas #This should also attract more people
(D) traditional roofing solutions are generally less expensive and quicker to install than green roofs #Initial cost already given as one reason
(E) green roofs typically last longer than traditional roofing materials, thus potentially saving money over time #This should promote more green roof & not slow down.

Answer B

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Updated on: 12 Jul 2024, 06:41

Originally posted by bronaugust on 10 Jul 2024, 05:50.
Last edited by bronaugust on 12 Jul 2024, 06:41, edited 3 times in total.

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Quote:

To solve this question, let us deploy IMS's four-step technique.

STEP #1 -> IDENTIFY THE QUESTION TYPE

Let us read the question stem to identify the question type. The stem states, 'Which of the following, if true, most logically completes the urban planner’s argument?' What we have is a complete the passage question.

Now that the question type is identified, let us proceed to the second step.

STEP #2 -> X-RAY THE ARGUMENT

Let us now read and understand the argument. Let us seperate the facts in the passage from the opinions of the urban planner.

FACT #1 ->The installation of green roofs in urban areas can reduce the overall city temperature during summer months, thereby reducing the need for air conditioning and energy consumption.

FACT #2 -> Despite their benefits, the widespread adoption of green roofs has been slow.

OPINION/CLAIM -> This is because the initial cost of installing green roofs is considerably high.

Now that the argument is x-rayed, let us proceed to the third step.

STEP #3 -> FRAME A SHADOW ANSWER

To frame a shadow answer, we need to know what the right answer is supposed to do. Clearly, the right answer is to give us one more reason for the widespread adoption of green roofs having been slow.

SHADOW ANSWER: Any situation that tells us why the widespread adoption of green roofs has been slow despite the benefits they offer.

Now that we have a shadow answer, let us proceed to the final step.

STEP #4 -> PROCESS OF ELIMINATION

Let us eliminate all answer options that do not match with the shadow answer.

(A) there are sufficient numbers of skilled laborers available to install green roofs - NOT A MATCH - Does not tell us why the widespread adoption of green roofs has been slow. - ELIMINATE

(B) green roof materials are often sourced from suppliers who are located far from urban centers - NOT A MATCH - If green roof materials are often sourced from suppliers who are located far from urban centers, would it tell us why the widespread adoption has been slow in urban areas? Also, are centers and areas one and the same? The answer to these questions is no unless we start forming assumptions. - ELIMINATE

(C) tax incentives for green construction projects are commonly available in urban areas - NOT A MATCH - Again, does not tell us why the widespread adoption of green roofs has been slow. - ELIMINATE

(D) traditional roofing solutions are generally less expensive and quicker to install than green roofs - MATCHES THE SHADOW ANSWER - If traditional roofing solutions are generally less expensive and quicker to install than green roofs, we may have an answer to why the widespread adoption of green roofs has been slow. - KEEP

(E) green roofs typically last longer than traditional roofing materials, thus potentially saving money over time - NOT A MATCH - Again, does not tell us why the widespread adoption of green roofs has been slow. - ELIMINATE

Hence, D is the correct answer.

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10 Jul 2024, 05:59

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"The widespread adoption of green roofs has been slow"

Beside of the permit, finishing a green roofs project means that it needs materials and workers. So, the problem would come from both of them.

If the workers were sufficent from its urban area, it will cost lower than workers from another location.
I guess the only main problem is how they "import" the material into the place. They needs additional waiting time and transportation cost, if they used suppliers that located far from the project area.

So, the answer is B.

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10 Jul 2024, 06:01

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Bunuel

This does not explain why the adoption is slow; if anything, it suggests there shouldn't be a problem with skilled labor availability

Quote:

(B) green roof materials are often sourced from suppliers who are located far from urban centers

This could contribute to the high cost and slow adoption due to transportation and logistics costs

Quote:

This would likely encourage adoption, not explain why it is slow

Quote:

(D) traditional roofing solutions are generally less expensive and quicker to install than green roofs

This directly supports the argument by providing a comparative reason for the slow adoption of green roofs

Quote:

(E) green roofs typically last longer than traditional roofing materials, thus potentially saving money over time

This would be an incentive for adoption, not a reason for slow adoption

Among (D) and (B),

(D) provides a straightforward comparison that directly relates to the primary issue of high initial costs and installation time, which are the main points of the argument.

(B), while potentially contributing to higher costs, does not directly explain why the adoption is slow as clearly or as strongly as (D). It introduces an additional factor (distance of suppliers) rather than focusing on the core comparative cost and time factors

Therefore, (D) is the more logical and stronger choice to complete the argument effectively

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Urban Planner: The installation of green roofs in urban areas can reduce the overall city temperature during summer months, thereby reducing the need for air conditioning and energy consumption. However, despite their benefits, the widespread adoption of green roofs has been slow. This is because the initial cost of installing green roofs is considerably high, and because __________.

Which of the following, if true, most logically completes the urban planner’s argument?

(A) there are sufficient numbers of skilled laborers available to install green roofs
(B) green roof materials are often sourced from suppliers who are located far from urban centers

(C) tax incentives for green construction projects are commonly available in urban areas
(D) traditional roofing solutions are generally less expensive and quicker to install than green roofs
(E) green roofs typically last longer than traditional roofing materials, thus potentially saving money over time

The answer is B

because refers to why widespread adoption is slow. One reason presented is its initial cost is high and 2nd because is again asking for slow adoption.
A- If there are skilled laborers available, it does not justify why adoption is slow or the price is high.
B- Material sourcing is adding more to the cost - so justifies the slow adoption.
C- Tax incentives should encourage its installation but it is the opposite.
D- Restatement of the first reason for high cost.
E- Opposite to why adoption is slow even with that benefit.

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Bunuel

This question was provided by GMAT Club
for the GMAT Club Olympics Competition

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The urban planner's argument discusses the benefits of green roofs and the reasons for their slow adoption. The first reason mentioned is the high initial cost. The sentence to be completed suggests that there is an additional reason contributing to the slow adoption.

Among the options, the one that logically complements the argument by providing another reason for the slow adoption is:

(D) traditional roofing solutions are generally less expensive and quicker to install than green roofs

This option directly addresses another factor that would deter people from choosing green roofs despite their benefits, aligning with the argument that the high initial cost is a deterrent.

Therefore, the best completion for the urban planner's argument is:
D

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(A) Not giving a reason for slow process (NO)
(B) discussing the problem and giving a valid reason (YES)
(C) Not giving a reason for slow process (NO)
(D) discussing the problem and giving a valid reason but the point is already mentioned before 'and' (NO)
(E) Not giving a reason for slow process (NO)

ANS: B

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Bunuel

This question was provided by GMAT Club
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It's not A, C or E Because these are all reasons that incentivize the adoption green roofs. B Draws irrelavent information. D Specifically addresses issues expressed earlier in the passage (speed & cost). Therefore, the best answer is D.

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We consider each of the answer to find the problem with installing green roofs
(A) there are sufficient numbers of skilled laborers available to install green roofs. This helps, not make the installation slow
(B) green roof materials are often sourced from suppliers who are located far from urban centers. This may take more time, but not the direct factor that affect the installation of green roof
(C) tax incentives for green construction projects are commonly available in urban areas. Again, this helps, not make the installation slow
(D) traditional roofing solutions are generally less expensive and quicker to install than green roofs. Yes, this is what we find, the substitute of green roofs is cheaper and quicker to install.
(E) green roofs typically last longer than traditional roofing materials, thus potentially saving money over time. Again, this helps, not prevent
I choose D

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