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parking problem

by pradeepkaushal9518 » Sun May 23, 2010 5:33 am
the city's recent enforcement of two hour parking in its business district is unfair to residents. the restrictions require drivers to move their vehicles after 120 minutes or face $ 75 fine. it is merely a ploy to take money away from local citizens while not benefiting them in any perceivable way

which of the following is an assumption upon which the above conclusion depends?

A. revenue from collected fines is not used by the city to improve parking enforcement technology.
B.the restrictions do not free up parking spaces that residents use when running necessary errands.
C. the parking restrictions were ratified without a public referendum.
D.visiting drivers are just as likely to be ticketed as city residents.
E. the city will have to hire new parking enforcement officers to ensure that the new restrictions are observed.
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by thephoenix » Sun May 23, 2010 5:51 am
imo B
negating b breaks down the argument

source and oa pls
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by pradeepkaushal9518 » Sun May 23, 2010 6:08 am
why C is not correct?
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by gmatmachoman » Sun May 23, 2010 10:16 am
thephoenix wrote:imo B
negating b breaks down the argument

source and oa pls
As u said I would pick B & move on. But I feel this is not a "good" question. Becox, I am of the opinion, LSAT/GMAT CR will have well knit structure.

Yeah When u apply Denial Test, conclusion falls apart. But I am bit worried about the term "residents".

Vague question though, pick B
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by FightWithGMAT » Sun May 23, 2010 11:52 am
What is wrong with A?

Argument says that the restrictions are a kind of ploy to collect money without giving any benefits to the people from whom the money is being collected.

What if the money is used for some useful purpose?

Moreover, it is no where mentioned that space is the problem in parking lots in the city.

If we chose B, we would make another assumption that the restrictions are being forced because the city has parking space problems.
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by jaggies » Sun May 23, 2010 1:03 pm
Whats wrong with D. The conclusion states that the ploy is to take money away from locals only, whereas , this option tells that it is going to affect both locals and visitors equally.
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by paes » Mon May 24, 2010 4:16 am
FightWithGMAT wrote:What is wrong with A?

Argument says that the restrictions are a kind of ploy to collect money without giving any benefits to the people from whom the money is being collected.

What if the money is used for some useful purpose?

Moreover, it is no where mentioned that space is the problem in parking lots in the city.

If we chose B, we would make another assumption that the restrictions are being forced because the city has parking space problems.
one More for A.
See the line 'collect money without giving any benefits'
only A is justifying it.
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by ansumania » Tue May 25, 2010 5:46 pm
why can't A be correct?
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by pradeepkaushal9518 » Tue May 25, 2010 8:26 pm
dear gmatmachoman pls can u tell what is denial test?

oa is B, but i dont understand the reason can somebody explain.

why C is wrong can anybody explain?
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by sk818020 » Tue May 25, 2010 9:01 pm
B is the answer.

Remember, assumptions are unstated premises that must be true for the argument to be complete.

A. is not it because it is irrelevant to the argument. You can test this by negating the A. Any negated choice that undermines the argument will be the correct answer. A. negated says that fines are used to improve parking technology. We can't say for sure whether this is good or bad for the local residents because the passage doesn't tell us that its good or bad. This does not undermine the argument so A cannot be correct.

B. Try the same tactic on B and it become clear that B is correct. B negated says the restriction will free up spaces for the residents to use. This undermines that argument because the author couldn't possibly reach there conclusion if this were true, thus the author is assuming the original version of B.

C. The passage doesn't tell us anything about referendums and whether they would support the argument above. Again this answer is not a fact that the author's argument rests upon.

D. This is irrelevant because it doesn't affect the conclusion. Visitors can still ticketed or not ticketed, but this has no relevancy to the fact that the author is arguing the the local residents are getting screwed (pardon my french).

E. If anything this will weaken the argument because more officers means that the area will be safer in general which would mean that the residents would benefit in some way.

Hope this help.

Thanks,

Jared
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by sk818020 » Tue May 25, 2010 9:06 pm
pradeepkaushal9518 wrote:d pls can u tell what is denial test?
As I did in my post above, the denial test is when you logically negate an answer choice to test and assumption. An assumption is an unstated premise that must be true for the argument to make sense. So if you take a given assumption of an argument and logically negate it, the assumption will now undermine the argument. So with some of these CR questions it easier to test answers using the negated version of the choices.

Once you negate a certain answer choice, you ask your self does this weaken the argument. If it does you have the correct answer (the non-negated form).

Also one quick note, you usually logically negate something by simply adding or removing a not from the argument. For example,

Original form; The boy is tall.

Logical opposite; The boy is not tall.

Hope this helps.

Thanks,

Jared
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by pnk » Wed May 26, 2010 3:22 am
the city's recent enforcement of two hour parking in its business district is unfair to residents. the restrictions require drivers to move their vehicles after 120 minutes or face $ 75 fine. it is merely a ploy to take money away from local citizens while not benefiting them in any perceivable way

which of the following is an assumption upon which the above conclusion depends?

A. revenue from collected fines is not used by the city to improve parking enforcement technology. (effect of effect category....it does show that residents are not benefiting but argument does not talk anything about existing problems in parking enforcement)
B.the restrictions do not free up parking spaces that residents use when running necessary errands. CORRECT
C. the parking restrictions were ratified without a public referendum (how the plan will be ratified...not discussed. Does not connect premise and conclusion either)
D.visiting drivers are just as likely to be ticketed as city residents. (argument concerned about drivers...not about category of drivers...WRONG)
E. the city will have to hire new parking enforcement officers to ensure that the new restrictions are observed. (it's the effect of effect ...ie...to ensure proper enforcement city will hire officers. In assumption questions, cause of cause and effect of effect options are wrong primarily because such topics are not covered in the argument. To make it more clearer, hiring of new officers means additional employment or enforcement of plan => space available for other residents. This choice gives additional premise against the conclusion (ie residents are not benefiting)...it does not connect existing premise and conclusion in any way. WRONG

Additional thought: premise talks about fines and conclusion talks about benefit. Any choice, within the argument boundary, that connects fines and benefits is the answer
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