Population employed over 65 (source: gmat prep)

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Naruto: Master | Next Rank: 500 Posts; Posts: 121; Joined: Thu Jun 11, 2009 1:16 am; Thanked: 4 times; GMAT Score:720

by Naruto » Sun Jul 12, 2009 1:12 am

Are atleast 10 percent of the people in country X who are 65 yrs old or older employed?

1 In country X, 11.3 percent of the population is 65 yrs old or older

2 In country X, of the population of 65 yrs old or older , 20 percent of the men and 10 percent of the women are employed.

Please explain in detail, I'll post OA later

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Source: Beat The GMAT — Data Sufficiency | Sun Jul 12, 2009 1:12 am

El Cucu: Master | Next Rank: 500 Posts; Posts: 236; Joined: Fri Nov 28, 2008 9:16 am; Thanked: 9 times

Re: Population employed over 65 (source: gmat prep)

by El Cucu » Sun Jul 12, 2009 1:00 pm

Naruto wrote:Are atleast 10 percent of the people in country X who are 65 yrs old or older employed?

1 In country X, 11.3 percent of the population is 65 yrs old or older

2 In country X, of the population of 65 yrs old or older , 20 percent of the men and 10 percent of the women are employed.

Please explain in detail, I'll post OA later

IMO B) The pop. of 65 or + 20%ofmen+10%women are employed so the % of the pop of 65 or more will always be greater than 10% . Ej. total men of 65 or += 100 20%= 20 total women of 65 or + =100 10% 10 total 30 of 100 employed (would always be more than 10% no matter what number of people employed of 65 or more were)

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Naruto: Master | Next Rank: 500 Posts; Posts: 121; Joined: Thu Jun 11, 2009 1:16 am; Thanked: 4 times; GMAT Score:720

by Naruto » Sun Jul 12, 2009 10:48 pm

I am still not clear, the question asks if the population of 65+ employed among the total population of country X

Assuming population of country X is 1000, which is not mentioned in B

Now if there are 100 65+ with 50 men and 50 women, that makes 15 emloyed over 65+ but that does not form 10 percent of the total population of X?

please clarify

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Musicolo: Master | Next Rank: 500 Posts; Posts: 116; Joined: Sun Feb 01, 2009 10:56 am

by Musicolo » Mon Jul 13, 2009 12:54 am

Naruto wrote:I am still not clear, the question asks if the population of 65+ employed among the total population of country X

Assuming population of country X is 1000, which is not mentioned in B

Now if there are 100 65+ with 50 men and 50 women, that makes 15 emloyed over 65+ but that does not form 10 percent of the total population of X?

please clarify

In my opinion, the question is not about the total population of X. The question is "Are atleast 10 percent of the people in country X who are 65 yrs old or older employed"?
Total population of X is irrelevant, in my opinion.

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Naruto: Master | Next Rank: 500 Posts; Posts: 121; Joined: Thu Jun 11, 2009 1:16 am; Thanked: 4 times; GMAT Score:720

by Naruto » Mon Jul 13, 2009 1:22 am

well in that case i misinterpreted. yes then 2 is sufficient

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