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mgmat-us flu

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by pradeepkaushal9518 » Sun Jul 25, 2010 5:52 am
The number of United States citizens suffering from the flu increased significantly this year over last year. Since this increase did not occur among citizens of other countries, it is likely the result of a particular flu virus confined to the United States.

Which of the following, if true, would cast the most serious doubt on the explanation for the increase given above?
Many non-US citizens took flu vaccines this year.
This year, the flu suffered by citizens of other countries was generally more severe than that suffered by US citizens.
A large percentage of US citizens who suffered from the flu this year were living abroad.
Many US citizens who suffered from the flu this year also suffered from the flu last year.
The number of US citizens did not change significantly between last year and this year.
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Source: — Critical Reasoning |

by bdiwakarteja » Sun Jul 25, 2010 6:08 am
A large percentage of US citizens who suffered from the flu this year were living abroad.
the above option must be the OA. please release the OA asap.
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by kissthegmat » Sun Jul 25, 2010 7:00 am
A large percentage of US citizens who suffered from the flu this year were living abroad.

Other options seems either supporting the argument or irrelevant.

What is OA?
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by diebeatsthegmat » Mon Aug 02, 2010 6:49 am
kissthegmat wrote:A large percentage of US citizens who suffered from the flu this year were living abroad.

Other options seems either supporting the argument or irrelevant.

What is OA?
agree.e is also my answer
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by diebeatsthegmat » Mon Aug 02, 2010 6:49 am
diebeatsthegmat wrote:
kissthegmat wrote:A large percentage of US citizens who suffered from the flu this year were living abroad.

Other options seems either supporting the argument or irrelevant.

What is OA?
agree.e is also my answer
i meant c
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by Haaress » Mon Aug 02, 2010 9:49 pm
Imo A.
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by Haaress » Mon Aug 02, 2010 10:01 pm
IMO C is incorrect because its a classic gmat trap. Percentage vs number.
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by samarpan_bschool » Tue Aug 03, 2010 6:41 am
close one between A & C. I will go with A as it states that most citizens outside US took Vaccines, else the number of flu infected case would have been more.

C - 'large percentage of those infected with flu stay outside the US' - What if there were 100 flu cases last year and this year it is 1000. Out of this 1000, 500 may be living abroad. But still 500 people live in the US , a number that is 400% higher than last years' !
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