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Country X - % of ppl who are 65 or older?

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by queenisabella » Tue Mar 27, 2012 5:52 am
Source: GMATPrep

Are at least 10% of the people in Country X who are 65 years old or older employed?
(1) In Country X, 11.3% of the population is 65 years or older.
(2) In Country X, of the population 65 years or older, 20% of the men and 10% of the women are employed.

OA is B.
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Source: — Data Sufficiency |
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by sam2304 » Tue Mar 27, 2012 6:44 am
We are asked to find if 10% of 65+ aged people are employed ?

1. We know that 11.3% is 65+ but no information about how many of them are employed among them. INSUFF
2. We have a minimum and max of the 65+ aged people who are employed. Given 10 % of women and 20% of men who are 65 + are employed. It is always greater than 10% of 65+ aged people, who are employed. This answers our question directly. SUFF.

IMO B.
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by GMATGuruNY » Tue Mar 27, 2012 7:11 am
queenisabella wrote:Source: GMATPrep

Are at least 10% of the people in Country X who are 65 years old or older employed?
(1) In Country X, 11.3% of the population is 65 years or older.
(2) In Country X, of the population 65 years or older, 20% of the men and 10% of the women are employed.

OA is B.
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by SwatiAgarwal » Thu Mar 29, 2012 7:31 am
queenisabella wrote:Source: GMATPrep

Are at least 10% of the people in Country X who are 65 years old or older employed?
(1) In Country X, 11.3% of the population is 65 years or older.
(2) In Country X, of the population 65 years or older, 20% of the men and 10% of the women are employed.

OA is B.
0.2M + 0.1F
0.1m + 0.1 ( M+F)
0.1M + 0.1 ( T) (where T = Total people in Country X who are 65 years old or older)
Clearly employed ppl are > 0.1T (= 0.1T + 0.1M)
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