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23 Jul 2011, 09:37
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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Statistics show that although consumption of low-calorie, alternative sweeteners has gone up in each of the past five years, so has the percentage of the population that is obese. According to sugar manufacturers, this shows that low-calorie, alternative sweeteners are not effective weight loss aids.
Which of the following assertions if true, would most weaken the sugar manufacturers conclusion ?
A) Many people who use low-calorie , alternatives sweeteners eat some foods that are not low-calorie.
B) Some low - claorie , alternative sweeteners can Increase the appetite , making a person eat more than he or she normally would eat.
C) Many people use low-calorie, alternative sweeteners to accompany a wel- balanced low-calorie diet
D) Obesity has declined among people who have consistently used low-calorie alternative sweeteners
E) The rise in the consumption of low-calorie alternative sweeteners is primarily due to an increase in the number of users rather than an increase in the amount each user consumes.
Which of the following assertions if true, would most weaken the sugar manufacturers conclusion ?
A) Many people who use low-calorie , alternatives sweeteners eat some foods that are not low-calorie.
B) Some low - claorie , alternative sweeteners can Increase the appetite , making a person eat more than he or she normally would eat.
C) Many people use low-calorie, alternative sweeteners to accompany a wel- balanced low-calorie diet
D) Obesity has declined among people who have consistently used low-calorie alternative sweeteners
E) The rise in the consumption of low-calorie alternative sweeteners is primarily due to an increase in the number of users rather than an increase in the amount each user consumes.
D. I chose "A". Solution says: "A" ALSO weakens by giving the another possible cause for the weight gain, BUT "D" weakens MORE! I agree with that. But I have never see a CR, before this, that makes me choose between 2 right answers. Does that happen in real GMAT?
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23 Jul 2011, 12:53
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abhicoolmax
Eating some food that are not-low calorie may not cause obesity. Not low-calorie doesn't mean high-calorie. It may just mean enough moderate calorie to maintain weight.
D says: Obesity has declined among people who have consistently used low-calorie alternative sweeteners
This is also not strong. It could be coincidental. D appears to suggest a cause-effect relation.
However, this is the best among the choices.
23 Jul 2011, 13:18
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I think D is the best among the choices available. Clearly shows that low calorie helps reducing weight.
In contrast, A leaves room for further assumptions. Many people eat some food that are not low calories- how much? 1 or more than that?? This too weakens but not as much as D.
In contrast, A leaves room for further assumptions. Many people eat some food that are not low calories- how much? 1 or more than that?? This too weakens but not as much as D.
