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Really tough one from Powerscore CR Bible. Try this. EEC

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Really tough one from Powerscore CR Bible. Try this. EEC [#permalink]

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05 May 2010, 06:40
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Really tough one from Powerscore CR Bible.

Try this.

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EEC GDP.JPG [ 49.05 KiB | Viewed 1571 times ]
[Reveal] Spoiler: OA

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Last edited by abhimahna on 28 Apr 2017, 05:11, edited 1 time in total.
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Re: Really tough one from Powerscore CR Bible. Try this. EEC [#permalink]

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05 May 2010, 10:01
What if the GDP of EEC had fallen by 1000 in 1990
in that case the difference doesnot account for a rise in standard of living
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Re: Really tough one from Powerscore CR Bible. Try this. EEC [#permalink]

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05 May 2010, 10:36
is the OA (D)?
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Re: Really tough one from Powerscore CR Bible. Try this. EEC [#permalink]

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05 May 2010, 10:44
Some explanations warranted
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Re: Really tough one from Powerscore CR Bible. Try this. EEC [#permalink]

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06 May 2010, 01:20
IMO A
premise 1 - diff in GDP $5000 Assumption - population increase at same % premise 2 - diff in GDP now$6000
Conclusion - Living standard definately increased

What is OA?
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Re: Really tough one from Powerscore CR Bible. Try this. EEC [#permalink]

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06 May 2010, 16:33
Its a "D" for me
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Re: Really tough one from Powerscore CR Bible. Try this. EEC [#permalink]

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25 May 2010, 19:47
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Its D,

logic being.

Lets assume there are 2 numbers A and B . The difference between them is 5.
A- B = 5.

after say some mathematical operation the difference became 6
A-B = 6.

So, the difference rose by 1. Now this is only possible in 2 cases.

either A increased or B decreased.

Only way A could have increased is incase B either remained constant or the decrease in B was less than 1.

So D holds true, if the GDP of Eu was not lower than 1000 in 1990 then that means there was some increase in GDP of country A and so the standard of living improved.
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Re: Really tough one from Powerscore CR Bible. Try this. EEC [#permalink]

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30 May 2010, 02:13
Thanks for posting the question, ykaiim. I wasn't able to answer it.

Gr8 explanation Silvers, Kudos to you for that.

ykaiim, Can you please confirm and post OA.
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Re: Really tough one from Powerscore CR Bible. Try this. EEC [#permalink]

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30 May 2010, 22:25
The answer D although is the best correct one, it has some flaw in reasoning.
Answer D says that GDP per capita in EU did not decrease by no more than $1 000 in 1990 than in 1990. If the decrease was lower than$1000, the assumption would hold perfectly true, since for 6000 increase in difference to hold true, at most $999 drop in GDP per capita of EU is necessary at worst case scenario. The answer D assumes that the drop in GDP per capita in EU could be straight$1000
Thus let's say GDP per capita in 1980 in country A was $6000 and in EU$ 1000
Then let's say in 1990 it was still $6000 for Country A and EU's GDP per capita dropped to zero! (We can assume that from answer D). The conclusion that living standards improved in country A will not hold true then, as u can see from my example. D is the best answer but it has the above mentioned flaw, what do u guys think? _________________ Never give up,,, Director Joined: 25 Aug 2007 Posts: 941 WE 1: 3.5 yrs IT WE 2: 2.5 yrs Retail chain Followers: 77 Kudos [?]: 1330 [0], given: 40 Re: Really tough one from Powerscore CR Bible. Try this. EEC [#permalink] Show Tags 09 Jun 2010, 05:50 OA is D. _________________ Want to improve your CR: http://gmatclub.com/forum/cr-methods-an-approach-to-find-the-best-answers-93146.html Tricky Quant problems: http://gmatclub.com/forum/50-tricky-questions-92834.html Important Grammer Fundamentals: http://gmatclub.com/forum/key-fundamentals-of-grammer-our-crucial-learnings-on-sc-93659.html GMAT Club Legend Joined: 01 Oct 2013 Posts: 10304 Followers: 1001 Kudos [?]: 225 [0], given: 0 Re: Really tough one from Powerscore CR Bible. Try this. EEC [#permalink] Show Tags 02 Sep 2016, 08:03 Hello from the GMAT Club VerbalBot! Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos). Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email. Manager Joined: 26 Mar 2016 Posts: 80 Location: Greece GMAT 1: 710 Q51 V34 GPA: 2.9 Followers: 2 Kudos [?]: 11 [0], given: 61 Re: Really tough one from Powerscore CR Bible. Try this. EEC [#permalink] Show Tags 07 Sep 2016, 07:49 Got confused by this one. I selected A. The difference of the GDP between Country A and EEC changes only if A increases and EEC remains stable, A increases more than EEC A decreases less than EEC A remains stable and EEC decreases. D says that the per capita GDP for EEC is not more than 1,000$ lower in 1990 than that of 1980.
Is not more than 1,000$lower means that it could be 1$,100$or 999$ lower.
But what if it is exactly 1,000$lower? In this case if A remains stable and EEC decreases 1,000$, the difference between A and EEC is 5,000 + 1,000=6,000\$.
So it could be or could be not true.

In fact, in order to make a comparison between these two GDPs, its a prerequisite that we are talking about the same populations as we did 10 years ago.
We can't compare country A with EEC, when in country a the population decreased by 50% (and thus the GDP rose), with EEC who faced a population increase.

IMO A.

please tell me what i might have misunderstood.
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Re: Really tough one from Powerscore CR Bible. Try this. EEC   [#permalink] 07 Sep 2016, 07:49
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