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1) A. Answer choices
C and D weaken the analyst's argument. Answer choice
E is irrelevant, because we do not know how the analyst believes Company A's
stock will perform in comparison to its industry peer group over
the next 5 to 7 years. It's possible that the analyst does not
expect Company A to remain the leader for very long,
so we cannot assume he expects it will outperform the sector.
Choice B is not conclusive because it indicates the patent is on a new product and
we do not know if the patent is for a product consumers
will demand. Answer choice A is the best one available.
If the revenues increase and the expenses decrease,
then the company can significantly increase its profits
and be more likely to enjoy a high stock price appreciation
rate.
2) B. Answer choices
D and E actually strengthen the argument – which
is the opposite of
what the question asks you to do. Answer choice C is completely
irrelevant to the argument. Acme could still be
the best product, even if most people don't intend to
use it. Answer choice A certainly does not bode well
for the quality of Acme's aspirin, but it is
nonetheless
possible that competing brands are even
more addictive. Answer choice B is correct. It weakens the passage's argument by
providing a reason that people called might have been
biased, thus undercutting its implied assumption that a
sample of 10 people will produce unbiased results.
Note: It is a favorite GMAT question
tactic to test for your understanding of basic statistics.
You should understand how statistics can be
manipulated, particularly with small and nonrandom
samples, as was done here with a small and biased sample of
aspirin-takers.
3) E. Answer choice E can be easily,
directly, and correctly inferred from the statement that the dogs bark and
howl every time their owner lets them outside. The rest of this
passage is "decoy" material, as discussed in
the preparation techniques
and tips webpage. You may have noticed 2 other
techniques employed by the GMAT writers in this question.
The first trick is to have an
unqualified authority comment on a controversy. In this case, we have no reason
to believe a CPA would be an expert on canine behavior.
Since we have no reason to believe the CPA's analysis
is correct, there is no support for choice D. The second trick is to present extreme or emotionally loaded
statements. Answer choice A is too extreme to be a correct
answer choice on the GMAT.
4) D. Choice D is
correct because it neatly summarizes the main theme of
the passage.
We can instantly eliminate answer choice A because the passage
never states how the increased penalty affects citizens. Choice
B is too extreme, and overly negative. (Such answer choices
are rarely correct on the GMAT.) Besides, the overall
theme of the passage is positive;
the negative tone of choice B is out of keeping with it. Answer choice C is
incorrect because the author stated only that adherence to the
law would prevent the price of gasoline from rising
further. He never said that this action would lower
gas prices. E introduces a comparison never mentioned or
implied in the argument.
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