Friday, 14 August 2015

CR Set - GMAT Solutions

1 If the county continues to collect residential trash at current levels, landfills will soon be overflowing and parkland will need to be used in order to create more space. Charging each household a fee for each pound of trash it puts out for collection will induce residents to reduce the amount of trash they create; this charge will therefore protect the remaining county parkland.

Which of the following is an assumption made in drawing the conclusion above?

(A) Residents will reduce the amount of trash they put out for collection by reducing the number of products they buy.
(B) The collection fee will not significantly affect the purchasing power of most residents, even if their households do not reduce the amount of trash they put out.
(C) The collection fee will not induce residents to dump their trash in the parklands illegally.
(D) The beauty of county parkland is an important issue for most of the county's residents.
(E) Landfills outside the county's borders could be used as dumping sites for the county's trash.

2

Concerned about financial well-being of its elderly citizens, the government of Runagia decided two years ago to increase by 20 percent the government-provided pension paid to all Runagians over 65. Inflation in the intervening period has been negligible, and the increase has been duly received by all eligible Runagians. Nevertheless, many of them are no better off financially than they were before the increase, in large part because ________.

Which of the following most logically completes the passage?

A. They rely entirely on the government pension for their income
B. Runagian banks are so inefficient that it can take up to three weeks to cash a pension check
C. They buy goods whose prices tend to rise especially fast in times of inflation
D. The pension was increased when the number of elderly Runagians below the poverty level reached an all-time high
E. In Runagia children typically supplement the income of elderly parents, but only by enough to provide them with a comfortable living


3

Many people are alarmed about the population explosion. They fail to appreciate that the present rise in population has in fact been followed by equally potent economic growth. Because of this connection between an increase in population and an increase in economic activity, population control measures should not be taken.
The questionable pattern of reasoning in the argument above is most similar to that in which one of the following?

(A) Subscribers to news magazines are concerned that increased postage costs will be passed on to them in the form of higher subscription rates. But that is a price they have to pay for having the magazines delivered. No group of users of the postal system should be subsidized at the expense of others.

(B) Most of the salespeople are concerned with complaints about the sales manager's aggressive behavior. They need to consider that sales are currently increasing. Due to this success, no action should be taken to address the manager's behavior.

(C) Parents are concerned about their children spending too much time watching television. Those parents should consider television time as time they could spend with their children. Let the children watch television, but watch it with them.

(D) Nutritionists warn people not to eat unhealthy foods. Those foods have been in people's diets for years. Before cutting all those foods out of diets it would be wise to remember that people enjoy culinary variety.

(E) Some consumers become concerned when the price of a product increases for several years in a row, thinking that the price will continue to increase. But these consumers are mistaken since a long-term trend of price increases indicates that the price will probably decline in the future

4
The interest of consumers in Company A's product is directly affected by the weather. When the weather is good, salespeople working for Company A are not contacted by any potential customers. The weather in Company A's area is good for about three quarters of the days of the year. A local competitor offering the same product, Company B, is equally affected by the weather. Based on these factors, it follows that __________.

A. the employees in Company A's sales department can only have an impact on up to 12.5% of their sales opportunities

B. both Company A and Company B are likely to go out of business due to a lack of sufficient revenues earned from sales

C. Company A is likely to surpass Company B in the number of sales it creates during periods of bad weather

D. the employees in Company A's sales department will always be restricted to having control over only 25% of their sales opportunities

E. Company B and Company A would benefit from moving their operations to an area with worse weather conditions than those of their current area


5

As a genre, hip-hop is vastly underrated. While critics are right to question the violent and sometimes racist content of many hip-hop lyrics, as well as the mediocrity of some popular hip-hop, the genre as a whole should not be dismissed as worthless just because portions of its subgenres are potentially offensive or sub-par. The whole should never be judged by just one of its parts.
The bolded phrases play which of the following roles in the passage above?
A. The first phrase contains a premise supporting the author's conclusion, and the second phrase contradicts that conclusion
B. The first phrase is a reply to an argument, and the second phrase is the author's conclusion.
C. The first phrase is the author's conclusion, and the second phrase contains support for a premise.
D. The first phrase is an analogy supporting a premise, and the second phrase is that premise
E. The first phrase is an opinion, while the second phrase contains an unrelated conclusion.
 Bold  = 1st and last Sentence 


6

As a practical matter, the copper available for industrial use should not be thought of as limited by the quantity of copper deposits, known or unknown. The transmutation of one chemical element into another is a modern reality, through the methods of nuclear physics. Therefore, the quantity of a natural resource such as copper cannot be calculated even in principle, because copper can be made from other metals. 

Which of the following, if true, is the strongest argument against the argument above? 

A) Although it is possible that additional deposits of copper will be found, geological considerations strongly indicate that they will not amount to more than fifty-year supply. 
B) The production of copper from other metals in industrial quantities would be prohibitively expensive in energy and materials. 
C) Synthetic materials have been discovered that can serve as practical substitutes for copper in most of its uses. 
D) It will be impractical, in the foreseeable future, to mine any deposits of metal that may exist on the moon or on other planets. 
E) Methods for estimating the amount of copper available in currently known deposits have become very sophisticated and have proved some accurate




8
In response to the increasing cost of producing energy through traditional means, such as combustion, many utility companies have begun investing in renewable energy sources, chiefly wind and solar power, hoping someday to rely on them completely and thus lower energy costs. The utility companies claim that although these sources require significant initial capital investment, they will provide stable energy supplies at low cost. As a result, these sources will be less risky for the utilities than nonrenewable sources, such as gas, oil, and coal, whose prices can fluctuate dramatically according to availability. 

The claim of the utility companies presupposes which of the following? 

(A) The public will embrace the development of wind and solar power. 
(B) No new deposits of gas, oil, and coal will be discovered in the near future. 
(C) Weather patterns are consistent and predictable. 
(D) The necessary technology for conversion to wind and solar power is not more expensive than the technology needed to create energy through combustion. 
(E) Obtaining energy from nonrenewable sources, such as gas, oil and coal, cannot be made less risky.


9

Cardiologist: Coronary bypass surgery is commonly
performed on patients suffering from coronary
artery disease when certain other therapies would
be as effective. Besides being relatively
inexpensive, these other therapies pose less risk
to the patient since they are less intrusive. Bypass
surgery is especially debatable for single-vessel
disease.
The cardiologist's statements, if true, most strongly
support which one of the following?
(A) Bypass surgery is riskier than all alternative
therapies.
(B) Needless bypass surgery is more common today
than previously.
(C) Bypass surgery should be performed when more
than one vessel is diseased.
(D) Bypass surgery is an especially expensive
therapy when used to treat single-vessel
disease.
(E) Sometimes there are equally effective
alternatives to bypass surgery that involve less

risk.





10

Marvin's behavior at the party last night is fascinating in that there is no evidence that he drank the entire container of punch despite the fact that he was the only person known to have been by the punchbowl between the time it was filled and the time it was observed to be empty. If Marvin had drunk the entire bowl, then some of the punch would inevitably have spilled on the tile, but I examined the tile carefully and found no evidence of spilled punch. Thus Marvin must not have drunk the entire punchbowl.

Which of the following, if true, most strengthens the argument?

A. Most large drinks that have been imbibed at parties result in significant spillage.
B. The person examining the tile for evidence of spilled punch has been able to detect such evidence in considerably more obscure, hidden places.
C. Marvin's behavior at the party was observed for the first time by the examiner.
D. Many of the other telltale signs of a punchbowl's being consumed were found.
E. At certain raucous parties like the party in question, some punchbowls are merely thrown out the window as part of a prank.



















1 OA C 

Conclusion: Charging collection fee willl make the house hold to reduce the trash and this will protect the county parkland from becoming landfils.
Premise: The increasing amount of trash will make the current landfill overflow and will need to change the county park land as Land fills.

Cause - effect 

Assumption:
1) Charging is the only option will make the residents to reduce the trash
2) Even when Residents are charged with collection fee the land fills should not overflow.

(A) Residents will reduce the amount of trash they put out for collection by reducing the number of products they buy. - Buying capacity has nothing to say for the trash that is produced
(B) The collection fee will not significantly affect the purchasing power of most residents, even if their households do not reduce the amount of trash they put out. - Purchasing power is irrelevant for the conclusion
(C) The collection fee will not induce residents to dump their trash in the parklands illegally. - Apt answer for the 2nd assumption - Says - X(Collection fee) occurs then y (Landfills will not over flow) will occur . Negating again breaks conclusion - collection fee will induce residents to dump their trash in the parklands illegally. - X(Collection fee) occurs then y (Landfills will not over flow) will not occur
(D) The beauty of county parkland is an important issue for most of the county's residents. - Beauty is irrelevant for the conclusion
(E) Landfills outside the county's borders could be used as dumping sites for the county's trash - irrelevant

2

OA - E

A. They rely entirely on the government pension for their income 

======> If they rely entirely on pension then 20% increase will be helpful, even if its a little help. 

B. Runagian banks are so inefficient that it can take up to three weeks to cash a pension check 

======> Then the cycle should be same. 

C. They buy goods whose prices tend to rise especially fast in times of inflation 

======> As stated in passage, inflation is negligible. 

D. The pension was increased when the number of elderly Runagians below the poverty level reached an all-time high 

======> Even if number of people are more everybody is getting the increased amount. As passage says "...paid to all Runagians over 65" 

E. In Runagia children typically supplement the income of elderly parents, but only by enough to provide them with a comfortable living

======> CORRECT. This means children have reduced their support and the increase in pension was offset by decrease in support by children. 



OA - B 

4

OA - E

5

OA - C

#1: The conclusion of the argument (A fact stated by the author)
Premise: The argument goes on explaining what are the bad cases in the HIP-HOP genre and why it should not be judged based on these sub-genres. 
#2: Provides support of the premises stated above.

So now, we've got our anchors on the two boldface parts. #1 is conclusion and #2 supports the premises.
Answer choice C is a perfect fit


6

OA - B


OA - D

Premise: Repression kept conscious thought from being unconscious.
Premise: Recent Research shows that decrease in anxiety reveals those unconsciousness.

I think that this should be an inference question because Assumption question must have a clear conclusion. 

(A) Changes in the patient's anxiety level during therapy can generally be used as an accurate measure of the extent to which the patient is becoming conscious of previously repressed beliefs. 
-- Too much specific "accurate measure"
(B) Even when one of a patient's unconscious beliefs remains unconscious, researchers are sometimes able to discover this belief. 
-- this is nowhere mentioned.
(C) If psychoanalytic theory is correct, then most conscious beliefs originate as unconscious beliefs. 
-- Again too specific.
(D) Researchers were able to distinguish expressed beliefs that had previously been unconscious from those that had long been consciousbut that the patient had not previously expressed. 
-- Yes. OA is the same
(E) Although the beliefs on which the mechanism of repression works are all unconscious, the operation of the mechanism itself is something of which patients are consciously aware. -- New information OOS 


8

OA - C

A The public will embrace the development of wind and solar power. -> out of scope.eliminate
B No new deposits of gas, oil, and coal will be discovered in the near future.-> the new approach is due to fluctuation in availability not due to absence of resources of conventional fuels sources.Even if we get reserves and they get exhausted then this assumption proves wrong.Eliminate.
C Weather patterns are consistent and predictable. -> perfect since the whole article talks about going for renewable energy source due to its stable availability.Hence lets do a negation test : negate this statement and see.Weather is fluctuating and unpredictable then how are we supposed to get sunshine and wind at a stable level to harness energy.argument falls apart then.Hence this i the presupposition in the argument.IMO (C)
D The necessary technology for conversion to wind and solar power is not more expensive than the technology needed to create energy through combustion. -> its already said in passage that initial costs are high .these might be applicable to this clause.hence its not assumption
E Obtaining energy from nonrenewable sources, such as gas, oil and coal, cannot be made less risky. -> its not that obtaining energy from gas,oil and coal is risky.its the sources availabilty .eliminate

9

OA - E

E is the best answer here. The question asks us which og the statemens support the argument, so any neutral option or supporting option could be the right answer

A) Bypass surgery is riskier than all alternative
therapies. This is too much generalization.
(B) Needless bypass surgery is more common today
than previously.The passage never mentions about today
(C) Bypass surgery should be performed when more
than one vessel is diseased.The last sentence does talk about single vessels; however, the word SHOULD is wrong here
(D) Bypass surgery is an especially expensive
therapy when used to treat single-vessel
disease.Not mentioned in the passage
(E) Sometimes there are equally effective
alternatives to bypass surgery that involve less
risk.the onyl alternative that does not hur or weaken the argument. Hence, correct answer

10 

OA - B

A. Most large drinks that have been imbibed at parties result in significant spillage. this doesn't explain Marvin situation
B. The person examining the tile for evidence of spilled punch has been able to detect such evidence in considerably more obscure, hidden places.
C. Marvin's behavior at the party was observed for the first time by the examiner. This is tricky but doesn't explain IF marvin drunk entirely punch or not
D. Many of the other telltale signs of a punchbowl's being consumed were found. Idem
E. At certain raucous parties like the party in question, some punchbowls are merely thrown out the window as part of a prank


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