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Scoring 715 on the GMAT Focus Edition requires more than just learning formulas, memorizing concepts, or solving hundreds of questions. In this episode, Nishant shares how he improved his GMAT preparation by focusing on application of concepts, and more. 
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Biologist: The relationship between our brains and our sensory organs is fascinating. We evolved these organs to better navigate our physical reality. However, doing so does not require our brains to process every bit of information our sensory organs provide. Rather, to function well, our brain analyzes only information relevant to the current situation and builds a generalized image.
The biologist’s statements, if true, most strongly support which of the following conclusions?
A. At least some people’s brains analyze all information provided by their sensory organs in at least some situations.
B. Their brains analyzing every bit of information provided by their sensory organs could help at least some people navigate the physical reality differently than they otherwise would.
C. If brains build a generalized image of reality using information relevant to the current situation, people can often navigate their physical reality better than they otherwise would.
D. Processing every bit of information provided by our sensory organs would be incompatible with the ability to build a generalized image from that information.
E. Building a generalized image requires a clear picture of most if not all details of the physical reality of any situation.
The biologist’s statements, if true, most strongly support which of the following conclusions?
A. At least some people’s brains analyze all information provided by their sensory organs in at least some situations.
B. Their brains analyzing every bit of information provided by their sensory organs could help at least some people navigate the physical reality differently than they otherwise would.
C. If brains build a generalized image of reality using information relevant to the current situation, people can often navigate their physical reality better than they otherwise would.
D. Processing every bit of information provided by our sensory organs would be incompatible with the ability to build a generalized image from that information.
E. Building a generalized image requires a clear picture of most if not all details of the physical reality of any situation.
ankushsambare
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18 May 2026, 20:50
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Premise:
Brains do not need to process all sensory input. Instead, they selectively analyze relevant information and build a generalized image to function well.
Conclusion we must support:
What follows from the idea that selective processing + generalized image helps functioning?
Prethinking:
If the brain ignores irrelevant data and builds a simplified model, that mechanism should improve performance in navigating reality compared to processing everything.
Option analysis:
A. Claims some brains process all information
Not supported; no evidence given → eliminate
B. Says processing all information could help navigation
Contradicts idea that selective processing is sufficient and beneficial → eliminate
C. Says building a generalized image from relevant info helps people navigate reality better
Directly matches the idea that selective processing improves functioning → keep
D. Says full processing is incompatible with generalized image
Too strong; passage does not say they cannot coexist → eliminate
E. Says generalized image requires most details of reality
Contradicts selective processing idea → eliminate
Final Answer: C
Brains do not need to process all sensory input. Instead, they selectively analyze relevant information and build a generalized image to function well.
Conclusion we must support:
What follows from the idea that selective processing + generalized image helps functioning?
Prethinking:
If the brain ignores irrelevant data and builds a simplified model, that mechanism should improve performance in navigating reality compared to processing everything.
Option analysis:
A. Claims some brains process all information
Not supported; no evidence given → eliminate
B. Says processing all information could help navigation
Contradicts idea that selective processing is sufficient and beneficial → eliminate
C. Says building a generalized image from relevant info helps people navigate reality better
Directly matches the idea that selective processing improves functioning → keep
D. Says full processing is incompatible with generalized image
Too strong; passage does not say they cannot coexist → eliminate
E. Says generalized image requires most details of reality
Contradicts selective processing idea → eliminate
Final Answer: C
BongBideshini
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Updated on: 19 May 2026, 21:01
Originally posted by BongBideshini on 18 May 2026, 23:55.
Last edited by BongBideshini on 19 May 2026, 21:01, edited 2 times in total.
Last edited by BongBideshini on 19 May 2026, 21:01, edited 2 times in total.
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Fact 1: We evolved sensory organs to better navigate our physical reality.
Fact 2: Navigating physical reality does not require processing every bit of sensory information.
Fact 3: To function well, the brain analyzes only relevant information and builds a generalized image.
A. At least some people’s brains analyze all information provided by their sensory organs in at least some situations.
The passage states that processing all information is not required and that the brain functions well by analyzing only relevant information. It never suggests that anyone actually processes all information.
B. Their brains analyzing every bit of information provided by their sensory organs could help at least some people navigate the physical reality differently than they otherwise would.
The passage tells us what happens when the brain filters for relevant information. It gives us no information about what the hypothetical outcome would be if a brain processed every bit of information.
C. If brains build a generalized image of reality using information relevant to the current situation, people can often navigate their physical reality better than they otherwise would.
Correct. This seamlessly connects the first and last sentences of the stimulus. Fact 1 states the goal of this evolutionary system: to "better navigate our physical reality." Fact 3 states how the brain "functions well" to achieve this: by building a generalized image using only relevant information. Therefore, doing this helps people achieve the goal of navigating their reality better.
D. Processing every bit of information provided by our sensory organs would be incompatible with the ability to build a generalized image from that information.
The passage says the brain builds a generalized image by focusing on only relevant information. However, it does not explicitly state that processing all information makes building a generalized image strictly incompatible or impossible—it just says that isn't how the brain currently does it to "function well."
E. Building a generalized image requires a clear picture of most, if not all, details of the physical reality of any situation.
This directly contradicts the passage. The stimulus explicitly states that the brain builds this image by analyzing only relevant information, not "most, if not all, details."
Correct Answer: C
Fact 2: Navigating physical reality does not require processing every bit of sensory information.
Fact 3: To function well, the brain analyzes only relevant information and builds a generalized image.
A. At least some people’s brains analyze all information provided by their sensory organs in at least some situations.
The passage states that processing all information is not required and that the brain functions well by analyzing only relevant information. It never suggests that anyone actually processes all information.
B. Their brains analyzing every bit of information provided by their sensory organs could help at least some people navigate the physical reality differently than they otherwise would.
The passage tells us what happens when the brain filters for relevant information. It gives us no information about what the hypothetical outcome would be if a brain processed every bit of information.
C. If brains build a generalized image of reality using information relevant to the current situation, people can often navigate their physical reality better than they otherwise would.
Correct. This seamlessly connects the first and last sentences of the stimulus. Fact 1 states the goal of this evolutionary system: to "better navigate our physical reality." Fact 3 states how the brain "functions well" to achieve this: by building a generalized image using only relevant information. Therefore, doing this helps people achieve the goal of navigating their reality better.
D. Processing every bit of information provided by our sensory organs would be incompatible with the ability to build a generalized image from that information.
The passage says the brain builds a generalized image by focusing on only relevant information. However, it does not explicitly state that processing all information makes building a generalized image strictly incompatible or impossible—it just says that isn't how the brain currently does it to "function well."
E. Building a generalized image requires a clear picture of most, if not all, details of the physical reality of any situation.
This directly contradicts the passage. The stimulus explicitly states that the brain builds this image by analyzing only relevant information, not "most, if not all, details."
Correct Answer: C
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