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To avoid economic collapse, Russia must increase its GNP by [#permalink]

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20 Apr 2005, 22:52

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To avoid economic collapse, Russia must increase its GNP by 20%. However, due to the structure of its economy, if the 20% threshold is reached, then a 40% increase in GNP is achievable.

Assuming that the above statements are true, which one of the following must also be true?

(A) If ethnic strife continues in Russia, then a 20% increase in GNP will be unattainable.
(B) If a 40% increase in Russia's GNP is impossible, its economy will collapse.
(C) If Russia's GNP increases by 40%, its economy will not collapse.
(D) If the 20% threshold is reached, then a 40% increase in GNP is achievable and a 60% increase is probable.
(E) If Russia's economy collapses, then it will not have increased its GNP by 40%.

To avoid economic collapse, Russia must increase its GNP by 20%. However, due to the structure of its economy, if the 20% threshold is reached, then a 40% increase in GNP is achievable.

Assuming that the above statements are true, which one of the following must also be true?

(A) If ethnic strife continues in Russia, then a 20% increase in GNP will be unattainable. (B) If a 40% increase in Russia's GNP is impossible, its economy will collapse. (C) If Russia's GNP increases by 40%, its economy will not collapse. (D) If the 20% threshold is reached, then a 40% increase in GNP is achievable and a 60% increase is probable. (E) If Russia's economy collapses, then it will not have increased its GNP by 40%.

go for E

I think it's 'only if' pattern.
economic doesn't collapse --> must increase its GNP by 20%(a 40% increase in GNP is achievable)

if economic collapses --> must not increase its GNP by 40%

Oh, must remember myself fault.

if A then B <> if no A, then no B.

if A then B == if no B, then no A.

Last edited by chunjuwu on 25 Apr 2005, 04:29, edited 1 time in total.

1) To avoid economic collapes, Russia MUST increase GNP by 20%.
2) Due to structure of its economy, if 20% threshold is reached, then a 40% increase in GNP is achievable.

Assuming that the above statements are true, which one of the following must also be true?

(A) If ethnic strife continues in Russia, then a 20% increase in GNP will be unattainable.
- Not sure how ethnic strife comes into the picture. A is out.

(B) If a 40% increase in Russia's GNP is impossible, its economy will collapse.
- Not nescessarily. We're told the GNP of 40% is achieveblae. Nothing about whether it's possible or not.

(C) If Russia's GNP increases by 40%, its economy will not collapse.
- This is the one. To increase by 40%, it must have reached the 20% threshold and so the economy will not collaspe.

(D) If the 20% threshold is reached, then a 40% increase in GNP is achievable and a 60% increase is probable.
- Out. We do not know what's probably, could be any percentage.

(E) If Russia's economy collapses, then it will not have increased its GNP by 40%.
- No. It could have reached teh 20% threshold, but did not achieve the 40% mrk.

1) To avoid economic collapes, Russia MUST increase GNP by 20%. 2) Due to structure of its economy, if 20% threshold is reached, then a 40% increase in GNP is achievable.

Assuming that the above statements are true, which one of the following must also be true?

(A) If ethnic strife continues in Russia, then a 20% increase in GNP will be unattainable. - Not sure how ethnic strife comes into the picture. A is out.

(B) If a 40% increase in Russia's GNP is impossible, its economy will collapse. - Not nescessarily. We're told the GNP of 40% is achieveblae. Nothing about whether it's possible or not.

(C) If Russia's GNP increases by 40%, its economy will not collapse. - This is the one. To increase by 40%, it must have reached the 20% threshold and so the economy will not collaspe.

(D) If the 20% threshold is reached, then a 40% increase in GNP is achievable and a 60% increase is probable. - Out. We do not know what's probably, could be any percentage.

(E) If Russia's economy collapses, then it will not have increased its GNP by 40%. - No. It could have reached teh 20% threshold, but did not achieve the 40% mrk.

C it is.

Hi, I think it's a bit of weird.

In the passage:
To avoid economic collapse, Russia must increase its GNP by 20%.

but if Russia increase its GNP by 20%, its economic may or may not collapse.

In other words, even if it increase its GNP by 40%, we still cannot reach the absolute result.

1) To avoid economic collapes, Russia MUST increase GNP by 20%. 2) Due to structure of its economy, if 20% threshold is reached, then a 40% increase in GNP is achievable.

Assuming that the above statements are true, which one of the following must also be true?

(A) If ethnic strife continues in Russia, then a 20% increase in GNP will be unattainable. - Not sure how ethnic strife comes into the picture. A is out.

(B) If a 40% increase in Russia's GNP is impossible, its economy will collapse. - Not nescessarily. We're told the GNP of 40% is achieveblae. Nothing about whether it's possible or not.

(C) If Russia's GNP increases by 40%, its economy will not collapse. - This is the one. To increase by 40%, it must have reached the 20% threshold and so the economy will not collaspe.

(D) If the 20% threshold is reached, then a 40% increase in GNP is achievable and a 60% increase is probable. - Out. We do not know what's probably, could be any percentage.

(E) If Russia's economy collapses, then it will not have increased its GNP by 40%. - No. It could have reached teh 20% threshold, but did not achieve the 40% mrk.

C it is.

Hi, I think it's a bit of weird.

In the passage: To avoid economic collapse, Russia must increase its GNP by 20%.

but if Russia increase its GNP by 20%, its economic may or may not collapse.

In other words, even if it increase its GNP by 40%, we still cannot reach the absolute result.

What the passage is saying:

To avoid economy collaspe, Russia's GNP must be raised by 20%.
So if their GNP is raised only by 19.9%, the economy will collaspe.

Then it says if the GNP does managed to be raised to 20%, then there is a possibility that the GNP could go up and hit 40%.

In C, we're told that Russia's GNP increases by 40%. To be able to even achieve this, it must first reach the 20% threshold, and this is the only condition that will prevent an economy collaspe.

Minimum requirement is 20% increase.
if economy collapses then it must be true that the GNP didnt increase by 20% (which means it didnt increase more than 40%)

Minimum requirement is 20% increase. if economy collapses then it must be true that the GNP didnt increase by 20% (which means it didnt increase more than 40%)

definitely (E).

I disagree with u here Anand....I think 20% increase is the required condition but not sufficient one.....economy can still collapse even with a 20% increase.

Minimum requirement is 20% increase. if economy collapses then it must be true that the GNP didnt increase by 20% (which means it didnt increase more than 40%)

definitely (E).

I disagree with u here Anand....I think 20% increase is the required condition but not sufficient one.....economy can still collapse even with a 20% increase.

baner, how can B) be true when the economy do not pass the 40%, but rests at 20% ? then the economy won`t collapse and the increase of 40% was not reached ("impossible"). the situation (no collapse) lasts with or without the passing of 40%.
_________________

If your mind can conceive it and your heart can believe it, have faith that you can achieve it.

Christoph, we need to realize that "B" is not talking abt if 40% is not reached , it is talking abt if 40% is impossible ....two different things....as the stem says ......if 20% threshold is reached then 40% is possible....that means if 40% is impossible then 20% threshold is not reached (if X, then Y concept) , hence the collapse.

Christoph, we need to realize that "B" is not talking abt if 40% is not reached , it is talking abt if 40% is impossible ....two different things....as the stem says ......if 20% threshold is reached then 40% is possible....that means if 40% is impossible then 20% threshold is not reached (if X, then Y concept) , hence the collapse.

you are right...it is B)
_________________

If your mind can conceive it and your heart can believe it, have faith that you can achieve it.

I disagree with u here Anand....I think 20% increase is the required condition but not sufficient one.....economy can still collapse even with a 20% increase.

I disagree with u here Anand....I think 20% increase is the required condition but not sufficient one.....economy can still collapse even with a 20% increase.