Last visit was: 26 Apr 2026, 21:01 It is currently 26 Apr 2026, 21:01
Close
GMAT Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Close
Request Expert Reply
Confirm Cancel
User avatar
Bunuel
User avatar
Math Expert
Joined: 02 Sep 2009
Last visit: 26 Apr 2026
Posts: 109,910
Own Kudos:
811,458
 [8]
Given Kudos: 105,897
Products:
Expert
Expert reply
Active GMAT Club Expert! Tag them with @ followed by their username for a faster response.
Posts: 109,910
Kudos: 811,458
 [8]
1
Kudos
Add Kudos
7
Bookmarks
Bookmark this Post
User avatar
Paras96
Joined: 11 Sep 2022
Last visit: 30 Dec 2023
Posts: 456
Own Kudos:
338
 [4]
Given Kudos: 2
Location: India
Paras: Bhawsar
GMAT 1: 590 Q47 V24
GMAT 2: 580 Q49 V21
GMAT 3: 700 Q49 V35
GPA: 3.2
WE:Project Management (Other)
GMAT 3: 700 Q49 V35
Posts: 456
Kudos: 338
 [4]
4
Kudos
Add Kudos
Bookmarks
Bookmark this Post
User avatar
Bunuel
User avatar
Math Expert
Joined: 02 Sep 2009
Last visit: 26 Apr 2026
Posts: 109,910
Own Kudos:
Given Kudos: 105,897
Products:
Expert
Expert reply
Active GMAT Club Expert! Tag them with @ followed by their username for a faster response.
Posts: 109,910
Kudos: 811,458
Kudos
Add Kudos
Bookmarks
Bookmark this Post
User avatar
Akshayyjain
Joined: 13 Aug 2022
Last visit: 04 Jan 2024
Posts: 10
Own Kudos:
Given Kudos: 12
Posts: 10
Kudos: 2
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Bunuel
Bunuel
Tsumi bats are a rare breed of omnivorous bat found only in highly temperate climates. Most Tsumi bats living in captivity develop endocrine imbalances from their normal zoo diets, which consist mostly of fruits and berries. The healthiest way to feed the bats, therefore, is to provide them primarily with nuts, grubs, and vegetables and only minimal amounts of fruits and berries.

Which of the statements below does NOT reflect an assumption upon which the argument depends?


(A) Those who care for Tsumi bats in captivity should avoid feeding them diets that produce endocrine imbalances.

(B) Tsumi bats living in captivity will not be malnourished on diets that contain minimal fruits and berries.

(C) Tsumi bats living in captivity will consume diets that consist of nuts, grubs, and vegetables but no fruits or berries.

(D) Tsumi bats living in captivity will be adequately nourished on a diet that consists primarily of nuts, grubs, and vegetables.

(E) For Tsumi bats living in captivity, no health problem stemming from diets consisting mostly of nuts, grubs, and vegetables would surpass in severity the health problems associated with endocrine imbalances.




KAPLAN OFFICIAL EXPLANATION



Four valid assumptions in the answer choices? The stem itself prepares us to expect a pretty weak argument. Our job is to locate the statement that's not assumed in the argument. The author concludes that, to achieve maximum health, Tsumi bats should be fed certain nuts and veggies and a minimum amount of fruits and berries. The evidence comes in the second sentence: These bats, who are now fed mostly fruits and berries, develop endocrine imbalances. It's not worth the effort to try to prephrase all the assumptions inherent in this argument, but if a few ideas jumped out at you, great. At the very least, you should proceed to the answer choices with a clear understanding of the evidence and conclusion.

(A) is a valid assumption. The author suggests that the bat's endocrine imbalance is a problem, and that a revised diet might fix that problem. Thus the argument does assume that bats should not be fed endocrine imbalance-producing foods.

(B) and (D) are valid assumptions too. If the proposed diet will make the bats "healthiest," then the argument assumes that it will adequately nourish them (D) and that it won't malnourish them (B). Negate these choices and the argument falls apart, confirming that these are necessary assumptions here.

An 800 test taker confirms whether a statement is a necessary assumption in an argument by seeing what happens to the argument when that statement is denied or negated. If the argument crumbles, that's proof positive that the statement is necessary and thus must be assumed.

(C) The conclusion states that the bats will be fed a minimal amount of fruits and berries, while this choice says that they will eat none. Must that be a necessary part of this argument? No, it's too extreme: The author says straight away that some fruits and berries is okay, so it need not be assumed that the bats are denied these foods altogether. (C) is therefore our winner—our "odd-man-out."

An 800 test taker reads the answer choices extremely carefully and notices even very subtle inaccuracies. Here, (C) is correct because it discusses a diet with "no" fruits or berries instead of "minimal" fruits and berries.

(E) focuses again on the author's claim that the recommended diet will make the bats healthiest. If that is true, then the author must assume that it won't create any health problems that are more detrimental to the bats' health than the endocrine imbalances that inspired the proposed diet in the first place.

The Arguement does not assume that Bats should be fed healthy diet ! Argument merely states state that : Healthiest way to feed them is....
Argument nowhere implies Bats should be fed healthy diet.
Although C is also not quite right with extreme word 'NOT'. This question/answer choices need minor revision in wordings.
User avatar
nj23598
Joined: 10 Jun 2023
Last visit: 12 May 2024
Posts: 41
Own Kudos:
Given Kudos: 14
Location: India
Concentration: Finance, General Management
Schools: IIM-A '24
GMAT 1: 650 Q45 V34
GPA: 4
Schools: IIM-A '24
GMAT 1: 650 Q45 V34
Posts: 41
Kudos: 21
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Bunuel
Tsumi bats are a rare breed of omnivorous bat found only in highly temperate climates. Most Tsumi bats living in captivity develop endocrine imbalances from their normal zoo diets, which consist mostly of fruits and berries. The healthiest way to feed the bats, therefore, is to provide them primarily with nuts, grubs, and vegetables and only minimal amounts of fruits and berries.

Which of the statements below does NOT reflect an assumption upon which the argument depends?


(A) Those who care for Tsumi bats in captivity should avoid feeding them diets that produce endocrine imbalances.

(B) Tsumi bats living in captivity will not be malnourished on diets that contain minimal fruits and berries.

(C) Tsumi bats living in captivity will consume diets that consist of nuts, grubs, and vegetables but no fruits or berries.

(D) Tsumi bats living in captivity will be adequately nourished on a diet that consists primarily of nuts, grubs, and vegetables.

(E) For Tsumi bats living in captivity, no health problem stemming from diets consisting mostly of nuts, grubs, and vegetables would surpass in severity the health problems associated with endocrine imbalances.




The Arguement does not assume that Bats should be fed healthy diet ! Argument merely states state that : Healthiest way to feed them is....

Question's language is a bit confusing
User avatar
MalharPagay
Joined: 02 Aug 2020
Last visit: 08 Feb 2024
Posts: 7
Own Kudos:
Given Kudos: 5
Posts: 7
Kudos: 4
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Is it possible for someone to explain how to negate Option A?
User avatar
VerbalBot
User avatar
Non-Human User
Joined: 01 Oct 2013
Last visit: 04 Jan 2021
Posts: 19,424
Own Kudos:
Posts: 19,424
Kudos: 1,010
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Automated notice from GMAT Club VerbalBot:

A member just gave Kudos to this thread, showing it’s still useful. I’ve bumped it to the top so more people can benefit. Feel free to add your own questions or solutions.

This post was generated automatically.
Moderators:
GMAT Club Verbal Expert
7391 posts
506 posts
361 posts