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Tsumi bats are a rare breed of omnivorous bat found only in

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Tsumi bats are a rare breed of omnivorous bat found only in [#permalink] New post 26 Nov 2012, 03:16
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Tsumi bats are a rare breed of omnivorous bat found only in high 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, grub, 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.
[Reveal] Spoiler: OA

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Re: Tsumi bats are a rare breed of omnivorous bat.. [#permalink] New post 29 Nov 2012, 03:45
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vomhorizon wrote:
Tsumi bats are a rare breed of omnivorous bat found only in high 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, grub, 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 correct answer is C.

The trick is to negate each choice and see of the conclusion is weakened. For all the choices that's the case except for C.

Let's see the choices:

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

The argument says that endocrine imbalances results from improper diet. Hence it is assumed.

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

The proposed diet will make them adequately nourished. It's evident from the last sentence.

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

It is not assumed that the Tsunami bats would consume diets that consists primarily of nuts, grubs and vegetables and not fruits and berries.

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

Negating this weakens the conclusion.

(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.

This has to assumed otherwise it will weaken the claim made by argument.
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Re: Tsumi bats are a rare breed of omnivorous bat found only in [#permalink] New post 31 May 2013, 22:10
Need some help in understanding on how A is an assumption ... It seems to me as an inference than an assumption ..

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Re: Tsumi bats are a rare breed of omnivorous bat.. [#permalink] New post 31 May 2013, 23:31
Edvento wrote:
vomhorizon wrote:
Tsumi bats are a rare breed of omnivorous bat found only in high 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, grub, 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 correct answer is C.

The trick is to negate each choice and see of the conclusion is weakened. For all the choices that's the case except for C.

Let's see the choices:

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

The argument says that endocrine imbalances results from improper diet. Hence it is assumed.

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

The proposed diet will make them adequately nourished. It's evident from the last sentence.

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

It is not assumed that the Tsunami bats would consume diets that consists primarily of nuts, grubs and vegetables and not fruits and berries.

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

Negating this weakens the conclusion.

(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.

This has to assumed otherwise it will weaken the claim made by argument.


Conclusion: The healthiest way to feed the bats, therefore, is to provide them primarily with nuts, grub, and vegetables and only minimal amounts of fruits and berries.
C: Tsumi bats living in captivity will consume diets that consist of nuts, grubs, and vegetables but no fruits or berries.
If i negate C. I have Tsumi bats will not consume diets that consist of N, G and V but no F/B.
So, the healthiest way is not followed and hence Bats originate state will be restored.
This is an assumption and a necessary one of all.
But we need to answer the choice that is not an assumption.

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

So OA should be A.
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Re: Tsumi bats are a rare breed of omnivorous bat found only in [#permalink] New post 01 Jun 2013, 00:11
I think OA is still C .. Because the argument states minimal F & B.. So it is not assumed that there is no F & B .. Actually the statement C says opposite of premise as it is stated that currently the diet consists of F & B..

My confusion is how can be considered as an assumption as it seems tone after the conclusion is considered true... As there are still instances of people F & B.

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Re: Tsumi bats are a rare breed of omnivorous bat found only in [#permalink] New post 01 Jun 2013, 07:28
+1 C
Assumptions are:
1) Captive Tsumi bats develop endocrine imbalances mostly from fruits and berries.
2) Captive Tsumi bats if kept on the normal zoo diet, would develop endocrine imbalances.
3) Healthiest diet is the one with nuts, grubs and vegetables, and minimal amount of fruits and berries.
4) Tsumi bats would not face any, or only minimal, health problem with a diet of nuts, grubs and vegetables.

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.- Assumption, only if you care would you look into the diets of this rare breed of bats.
(B) Tsumi bats living in captivity will not be malnourished on diets that contain minimal fruits and berries.- Assumption 1
(C) Tsumi bats living in captivity will consume diets that consist of nuts, grubs, and vegetables but no fruits or berries.- Who said?
(D) Tsumi bats living in captivity will be adequately nourished on a diet that consists primarily of nuts, grubs, and vegetables.- Assumption 3
(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. - Assumption 4
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Re: Tsumi bats are a rare breed of omnivorous bat found only in [#permalink] New post 01 Jun 2013, 10:07
The argument talks about the diet of bats residing in captivity. These bats seem to be fed with more of fruit than some other items. This imbalance causes some kind of endocrine imbalance.

Assumption - The fruit based diet causes these endocrine imbalances. Minimal amount of fruit would restore the balance, assuming there are nuts,grubs and vegetables in their diet. More or less the assumption is that fruit causes problems, so avoid feeding fruit to these bats.

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

(B) Tsumi bats living in captivity will not be malnourished on diets that contain minimal fruits and berries. Is an assumption. This is not explicitly stated but the term "healthiest way to feed the bats" kind of indirectly states that the bats won't be malnourished.


(C) Tsumi bats living in captivity will consume diets that consist of nuts, grubs, and vegetables but no fruits or berries.
-> CORRECT choice. If you negate this assumption, then the whole argument falls apart. The fruit based diet is the foundation of this argument. If the bats consume/used to consumer/will consume the healthier diet, then there would be no endocrine imbalances.

(D) Tsumi bats living in captivity will be adequately nourished on a diet that consists primarily of nuts, grubs, and vegetables. - "healthiest way" reflects that their nourishment would be taken care of . Wrong choice

(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. "Healthiest way" seems to be the best way to feed these bats. So, probably the health problems stemming from these diets would be less severe than the endocrine imbalances.
Re: Tsumi bats are a rare breed of omnivorous bat found only in   [#permalink] 01 Jun 2013, 10:07
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