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19 Dec 2024, 09:00
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Difficulty:
15%
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Question Stats:
80% (01:24) correct
20%
(01:26)
wrong
based on 386
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12 Days of Christmas 2024 - 2025 Competition with $40,000 of Prizes
Industrial Analyst: Many factories install sophisticated filtration systems to reduce air pollution. However, factories using a new biofiltration technology have shown significantly lower pollution levels, even when their overall production rates increase. This suggests that biofiltration technology provides pollution control that is more effective than that of traditional filtration systems.
Which of the following can most reasonably be inferred from the analyst’s statement?
(A) All factories will eventually adopt biofiltration technology to comply with future environmental regulations.
(B) Traditional filtration systems may not maintain effectiveness at higher production rates as effectively as biofiltration technology.
(C) Biofiltration technology is less costly to maintain than traditional filtration systems.
(D) Factories not using biofiltration technology are the largest contributors to air pollution.
(E) Increased production rates always lead to higher pollution levels.
Industrial Analyst: Many factories install sophisticated filtration systems to reduce air pollution. However, factories using a new biofiltration technology have shown significantly lower pollution levels, even when their overall production rates increase. This suggests that biofiltration technology provides pollution control that is more effective than that of traditional filtration systems.
Which of the following can most reasonably be inferred from the analyst’s statement?
(A) All factories will eventually adopt biofiltration technology to comply with future environmental regulations.
(B) Traditional filtration systems may not maintain effectiveness at higher production rates as effectively as biofiltration technology.
(C) Biofiltration technology is less costly to maintain than traditional filtration systems.
(D) Factories not using biofiltration technology are the largest contributors to air pollution.
(E) Increased production rates always lead to higher pollution levels.
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19 Dec 2024, 10:00
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GMAT Club's Official Explanation:
A. Incorrect - this option is overly speculative. We do not know what will happen in the future and this is a likely or certain outcome as inference would require certainty. It is way outside of the scope of our little passage.
B. Correct Answer. This is a pretty basic inference. Since biotechnology pollution control is superior, that would basically mean traditional pollution controls are inferior, especially at higher production levels.
C. Incorrect The maintenance costs of biofiltration technology are not discussed in the text, making this inference unsupported and irrelevant.
D. Incorrect This option goes too far. The setup of the question does not provide information about the overall contribution of factories with or without biofiltration technology to air pollution. Maybe there are many biofiltration-based factories and very few traditional ones thus the amount of pollution could actually be greater from the factories with biofiltration.
E. Incorrect This is a trap answer choice. We are told that biofiltration is able to maintain low pollution levels even when the production rates increase, thus increased production rates do not always lead to higher pollution levels.
General Discussion
19 Dec 2024, 09:07
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Key information:
Traditional filtration systems reduce air pollution
Factories with biofiltration show lower pollution levels
This is true even when production increases
The comparison shows biofiltration is "more effective"
We can reasonably infer:
The key comparison is that biofiltration maintains effectiveness despite production increases
This implies traditional systems might struggle more with increased production
But we can't make broader claims about regulations, costs, or all pollution sources
(A) "All factories will eventually adopt..." - Too strong, predicts future behaviour without evidence
(B) "Traditional filtration systems may not maintain effectiveness at higher production rates..." - This aligns with the information given, as biofiltration specifically shows better performance with increased production
(C) "Less costly to maintain..." - No cost information provided
(D) "Largest contributors..." - No information about relative pollution contributions
(E) "Increased production always leads..." - Contradicted by the evidence about biofiltration
The answer is (B).
Traditional filtration systems reduce air pollution
Factories with biofiltration show lower pollution levels
This is true even when production increases
The comparison shows biofiltration is "more effective"
We can reasonably infer:
The key comparison is that biofiltration maintains effectiveness despite production increases
This implies traditional systems might struggle more with increased production
But we can't make broader claims about regulations, costs, or all pollution sources
(A) "All factories will eventually adopt..." - Too strong, predicts future behaviour without evidence
(B) "Traditional filtration systems may not maintain effectiveness at higher production rates..." - This aligns with the information given, as biofiltration specifically shows better performance with increased production
(C) "Less costly to maintain..." - No cost information provided
(D) "Largest contributors..." - No information about relative pollution contributions
(E) "Increased production always leads..." - Contradicted by the evidence about biofiltration
The answer is (B).
