GMAT Critical Reasoning Discussions

[Govi]

Originally Posted by aim-wsc

Hello,
I am posting one of the classic critical reasoning problem:
try solving this and know/learn the explanation of the same well.

once you understand such a problem I am sure most of your CR fear is out.

try this:

I would pick C - If not D then not A
reasoning - logic of If X then Y <=> If not Y then not X

[sandy_venkat]

Originally Posted by aim-wsc

Hello,
I am posting one of the classic critical reasoning problem:
try solving this and know/learn the explanation of the same well.

once you understand such a problem I am sure most of your CR fear is out.

try this:

Ill also pick option C

Coz,

If X ==> Y then, not y ==> not X

only c gives that option. hence C

[aim-wsc]

well, yes that is the correct answer and correct approach.

[nitiman]

Which of the following best completes the passage below?


At a recent conference on environmental threats to the North Sea，most participating countries favored uniform controls on the quality of effluents，whether or not specific environmental damage could be attributed to a particular source of effluent．What must, of course, be shown, in order to avoid excessively restrictive controls，is that．
(A) any uniform controls that are adopted are likely to be implemented without delay
(B) any substance to be made subject to controls can actually cause environmental damage
(C) the countries favoring uniform controls are those generating the largest quantities of effluents
(D) all of any given pollutant that is to be controlled actually reaches the North Sea at present
(E) environmental damage already inflicted on the North Sea is reversible

[sandy_venkat]

Originally Posted by nitiman

Which of the following best completes the passage below?


At a recent conference on environmental threats to the North Sea，most participating countries favored uniform controls on the quality of effluents，whether or not specific environmental damage could be attributed to a particular source of effluent．What must, of course, be shown, in order to avoid excessively restrictive controls，is that．
(A) any uniform controls that are adopted are likely to be implemented without delay
(B) any substance to be made subject to controls can actually cause environmental damage
(C) the countries favoring uniform controls are those generating the largest quantities of effluents
(D) all of any given pollutant that is to be controlled actually reaches the North Sea at present
(E) environmental damage already inflicted on the North Sea is reversible

I would go with B. It is the logically correct answer. The others, i feel, go out of the scope.
Whats the OA??

[nitiman]

Originally Posted by sandy_venkat

I would go with B. It is the logically correct answer. The others, i feel, go out of the scope.
Whats the OA??

Ya the answer is B. But can anyone explain why D is out of scope?

[redemption]

Originally Posted by nitiman

Which of the following best completes the passage below?


At a recent conference on environmental threats to the North Sea，most participating countries favored uniform controls on the quality of effluents，whether or not specific environmental damage could be attributed to a particular source of effluent．What must, of course, be shown, in order to avoid excessively restrictive controls，is that．
(A) any uniform controls that are adopted are likely to be implemented without delay
(B) any substance to be made subject to controls can actually cause environmental damage
(C) the countries favoring uniform controls are those generating the largest quantities of effluents
(D) all of any given pollutant that is to be controlled actually reaches the North Sea at present
(E) environmental damage already inflicted on the North Sea is reversible

Point D simply states that for the pollutant which is to be controlled, all of it is reaching the North Sea ( not a small portion)....Thats why its out of scope of the question.

[gk5814]

Can someone pls help me with following question?


Partly because of bad weather, but also partly because some major pepper growers have switched to high-priced cocoa, world production of pepper has been running well below worldwide sales for three years. Pepper is consequently in relatively short supply. The price of pepper has soared in response: it now equals that of cocoa.

Which of the following can be inferred from the passage?
(A) Pepper is a profitable crop only if it is grown on a large scale.
(B) World consumption of pepper has been unusually high for three years.
(C) World production of pepper will return to previous levels once normal weather returns.
(D) Surplus stocks of pepper have been reduced in the past three years.
(E) The profits that the growers of pepper have made in the past three years have been unprecedented.

[nitiman]

Originally Posted by gk5814

Can someone pls help me with following question?


Partly because of bad weather, but also partly because some major pepper growers have switched to high-priced cocoa, world production of pepper has been running well below worldwide sales for three years. Pepper is consequently in relatively short supply. The price of pepper has soared in response: it now equals that of cocoa.

Which of the following can be inferred from the passage?
(A) Pepper is a profitable crop only if it is grown on a large scale.
(B) World consumption of pepper has been unusually high for three years.
(C) World production of pepper will return to previous levels once normal weather returns.
(D) Surplus stocks of pepper have been reduced in the past three years.
(E) The profits that the growers of pepper have made in the past three years have been unprecedented.

E??
Other option deal with effects of increase in production of pepper which can not be directly inferred from the passage.

[gk5814]

I also thought E. But the answer given is 'D'. The question is from 1000CRs. I am confused on answer choice 'D'.