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The table above shows 5 countries and their populations in

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The table above shows 5 countries and their populations in [#permalink] New post 18 Nov 2012, 03:20
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Question Stats:

75% (02:02) correct 25% (02:06) wrong based on 0 sessions
Country Population in 2001 Population in 2025
A 1,273 million 1,431 million
B 1,033 million 1,363 million
C 285 million 346 million
D 206 million 252 million
E 172 million 209 million

The table above shows 5 countries and their populations in 2001 and 2025. Which country has the highest population growth rate?

Edit: Added the table as an attachment



Is there a shortcut that avoids long division? I know how to do it (pop2025-pop2001/pop2001), but it takes me longer than 2 minutes.
[Reveal] Spoiler: OA

Attachments

PopChange.JPG
PopChange.JPG [ 13.47 KiB | Viewed 326 times ]


Last edited by fastcompany on 18 Nov 2012, 06:59, edited 2 times in total.
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Re: The table above shows 5 countries and their populations in [#permalink] New post 18 Nov 2012, 05:38
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Re: The table above shows 5 countries and their populations in [#permalink] New post 18 Nov 2012, 06:18
nktdotgupta wrote:
Where is the table?


Sorry, I'm not sure how to make a table. I tried to space it out to make it easier to read but when I submit it removes the spaces.
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Re: The table above shows 5 countries and their populations in [#permalink] New post 18 Nov 2012, 06:33
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Re: The table above shows 5 countries and their populations in [#permalink] New post 18 Nov 2012, 06:48
Marcab wrote:
sure this is a 600-700 level question?


No, not sure at all. It seems straight forward enough, I'm just wondering if I'm missing a shortcut.
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Re: The table above shows 5 countries and their populations in [#permalink] New post 18 Nov 2012, 06:55
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Re: The table above shows 5 countries and their populations in [#permalink] New post 18 Nov 2012, 06:55
[Reveal] Spoiler: Here is the solution from Veritas (not very helpful):
(B) Calculate the growth rate of each country:

Growth Rate = \frac{Pop2025-Pop2001}{Pop2001}

(A) \frac{1,431-1,273}{1,273} = .12
(B) \frac{1.363-1,033}{1,033}= .32
(C) \frac{346-285}{285}= .21
(D) \frac{252-206}{206}= .22
(E) \frac{209-172}{172}= .22
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Re: The table above shows 5 countries and their populations in [#permalink] New post 19 Nov 2012, 19:34
fastcompany wrote:
[Reveal] Spoiler: Here is the solution from Veritas (not very helpful):
(B) Calculate the growth rate of each country:

Growth Rate = \frac{Pop2025-Pop2001}{Pop2001}

(A) \frac{1,431-1,273}{1,273} = .12
(B) \frac{1.363-1,033}{1,033}= .32
(C) \frac{346-285}{285}= .21
(D) \frac{252-206}{206}= .22
(E) \frac{209-172}{172}= .22


Is there any quick way to get down to answer?

This seems to be more math based !!!
This will take up time...

I tried to answer by just looking out range but went wrong! :cry:
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Re: The table above shows 5 countries and their populations in   [#permalink] 19 Nov 2012, 19:34
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