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In a recent study, a group of subjects had their normal dail

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In a recent study, a group of subjects had their normal dail [#permalink]

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In a recent study, a group of subjects had their normal daily caloric intake increased by 25 percent. This increase was entirely in the form of alcohol. Another group of similar subjects had alcohol replace non-alcoholic sources of 25 percent of their normal daily caloric intake. All subjects gained body fat over the course of study, and the amount of body fat gained was the same for both groups.

Which one of following is most strongly supported by the information above?

(A) Alcohol is metabolized more quickly by the body than are other food and drinks.
(B) In general population, alcohol is the primary cause of gains in body fat.
(C) An increased amount of body fat does not necessarily imply a weight gain.
(D) Body fat gain is not dependent solely on the number of calories one consumes.
(E) The proportion of calories from alcohol in a diet is more significant for body fat gain than are the total calories from alcohol
[Reveal] Spoiler: OA

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Re: In a recent study, a group of subjects had their normal dail [#permalink]

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Hint: one group had their caloric intake increased, but the other group did not.
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Re: In a recent study, a group of subjects had their normal dail [#permalink]

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New post 18 Nov 2013, 01:01
In a recent study, a group of subjects had their normal daily caloric intake increased by 25 percent. This increase was entirely in the form of alcohol. Another group of similar subjects had alcohol replace non-alcoholic sources of 25 percent of their normal daily caloric intake. All subjects gained body fat over the course of study, and the amount of body fat gained was the same for both groups.

Which one of following is most strongly supported by the information above?

(A) Alcohol is metabolized more quickly by the body than are other food and drinks.
(B) In general population, alcohol is the primary cause of gains in body fat.
(C) An increased amount of body fat does not necessarily imply a weight gain.
(D) Body fat gain is not dependent solely on the number of calories one consumes.
(E) The proportion of calories from alcohol in a diet is more significant for body fat gain than are the total calories from alcohol[/quote]


guess D has a flaw in it and this question is lacking a right choice. what if the number of calories one consumes is the sole reason for the body fat gain ?? even in that case the argument may holds true !!

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Re: In a recent study, a group of subjects had their normal dail [#permalink]

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New post 18 Nov 2013, 01:56
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u r wrong. if no. of calories is the sole reason for increase in body fat then the first group must have gained more fat than the second group. if you quantify the problem it is easier. assume both groups take 100 cal daily. for group A alcohol is in addition to 100 cal. so total intake is 125cal. for B 25 cal from non alcoholic sources is replaced by alcoholic sources. so total cal is 100cal. only source is changed. YET, the amount of fat gain is same for both. Hence there are other factors than calories alone.
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Re: In a recent study, a group of subjects had their normal dail [#permalink]

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Argument assumes that Alcohol provides the maximum calorie.And,nothing can substitute that energy if alcohol intake is less.So less alcohol intake means less calorie.Even less calorie intake is leading to same body fat gain.Consequently,Body fat gain is not dependent solely on the number of calories one consumes.

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In a recent study, a group of subjects had their normal dail [#permalink]

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Misread the question first time.. note the underlined portion of the premise.
What it means ->

Group A & B with 3000 cal per person.
Group A -> 3000 cal + 750 cal (in alcohol) = Total 3750 cal
Group B -> 3000 cal ~ replace 750 cal with alcohol = Total 3000 cal Both Group have 750 cal from alcohol
--------------------------------------------------------------------------------
result -> Gained body fat in BOTH !!!


Conclusion : Gained in body fat is NOTa result of increased calories intake but of content eaten.

Only D fits!

Please point out any error in logic here.
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dentobizz wrote:
In a recent study, a group of subjects had their normal daily caloric intake increased by 25 percent. This increase was entirely in the form of alcohol. Another group of similar subjects had alcohol replace non-alcoholic sources of 25 percent of their normal daily caloric intake. All subjects gained body fat over the course of study, and the amount of body fat gained was the same for both groups.

Which one of following is most strongly supported by the information above?

(A) Alcohol is metabolized more quickly by the body than are other food and drinks.
(B) In general population, alcohol is the primary cause of gains in body fat.
(C) An increased amount of body fat does not necessarily imply a weight gain.
(D) Body fat gain is not dependent solely on the number of calories one consumes.
(E) The proportion of calories from alcohol in a diet is more significant for body fat gain than are the total calories from alcohol

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Re: In a recent study, a group of subjects had their normal dail [#permalink]

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Re: In a recent study, a group of subjects had their normal dail [#permalink]

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New post 02 Oct 2015, 11:56
eliminated options to B and D.
chose B by mistake overlooking general population and underestimating number of calories concept.
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Re: In a recent study, a group of subjects had their normal dail [#permalink]

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Re: In a recent study, a group of subjects had their normal dail [#permalink]

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dentobizz wrote:
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In a recent study, a group of subjects had their normal daily caloric intake increased by 25 percent. This increase was entirely in the form of alcohol. Another group of similar subjects had alcohol replace non-alcoholic sources of 25 percent of their normal daily caloric intake. All subjects gained body fat over the course of study, and the amount of body fat gained was the same for both groups.

Which one of following is most strongly supported by the information above?

(A) Alcohol is metabolized more quickly by the body than are other food and drinks.
(B) In general population, alcohol is the primary cause of gains in body fat.
(C) An increased amount of body fat does not necessarily imply a weight gain.
(D) Body fat gain is not dependent solely on the number of calories one consumes.
(E) The proportion of calories from alcohol in a diet is more significant for body fat gain than are the total calories from alcohol


Let us assume initial calorie intake to be 100 in each group.
Calorie intake in first group increase by 25 percent. Alcohol was added here. New intake = 125
Calorie intake in second group was replaced - 25% of the diet consisting of alcohol was replaced by non alcohol. 100+25-25 = 100..
Calorie intake is definitely more in first group right now but results show the fat gained as same in both, hence, fat gain is not dependent solely on number of calories. There might be other factors. D

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Re: In a recent study, a group of subjects had their normal dail   [#permalink] 14 Nov 2017, 15:04
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