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100 points for $49 worth of Veritas practice GMATs FREE VERITAS PRACTICE GMAT EXAMS Earn 10 Points Per Post Earn 10 Points Per Thanks Earn 10 Points Per Upvote ## Critical Reasoning tagged by: BTGmoderatorRO ##### This topic has 1 expert reply and 0 member replies ## Critical Reasoning The conclusion of the prompt is: "loud clicks might be used by dolphins to stun their prey at close range through sensory overload". Your goal is to weaken this or prove it wrong. So the correct answer will most likely say something that means "The load clicks are used for a different reason, or in fact don't affect the prey at all" A) Out of scope. Uses the words "distant prey". This is out of scope b/c the prompt discusses prey at "close range" B) B is correct b/c it weakens the conclusion. Since the clicks would not be audible at close range (or any range) the prey would not be stunned by "sensory overload". No "sensory overload" would occur from "load clicks" b/c they wouldn't be able to hear it. C) out of scope. Talks about "stunning from far away". The prompt only discusses and cares about "close range". Also out of scope b/c how long the prey would be stunned doesn't matter. We don't care about that detail. D) Out of scope. This may be true but does not do anything to weaken the conclusion. Totaly off topic. E) This may be true but is also out of scope. It doesn't matter how distant the prey is or how loud the click is. This is off topic and doesn't answer the prompt What logical way can be used to detect the right answer? I need an Expert contribution, please. ### GMAT/MBA Expert Legendary Member Joined 14 Jan 2015 Posted: 2667 messages Followed by: 122 members Upvotes: 1153 GMAT Score: 770 Roland2rule wrote: The conclusion of the prompt is: "loud clicks might be used by dolphins to stun their prey at close range through sensory overload". Your goal is to weaken this or prove it wrong. So the correct answer will most likely say something that means "The load clicks are used for a different reason, or in fact don't affect the prey at all" A) Out of scope. Uses the words "distant prey". This is out of scope b/c the prompt discusses prey at "close range" B) B is correct b/c it weakens the conclusion. Since the clicks would not be audible at close range (or any range) the prey would not be stunned by "sensory overload". No "sensory overload" would occur from "load clicks" b/c they wouldn't be able to hear it. C) out of scope. Talks about "stunning from far away". The prompt only discusses and cares about "close range". Also out of scope b/c how long the prey would be stunned doesn't matter. We don't care about that detail. D) Out of scope. This may be true but does not do anything to weaken the conclusion. Totaly off topic. E) This may be true but is also out of scope. It doesn't matter how distant the prey is or how loud the click is. This is off topic and doesn't answer the prompt What logical way can be used to detect the right answer? I need an Expert contribution, please. Do you mind posting the original question - it looks like you inadvertently posted someone's explanation rather than the prompt itself. _________________ Veritas Prep | GMAT Instructor Veritas Prep Reviews Save$100 off any live Veritas Prep GMAT Course

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