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Fast-food restaurants make up 45 percent of all restaurants in Cantari

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Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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Fast-food restaurants make up 45 percent of all restaurants in Cantaria. Customers at these restaurants tend to be young; in fact, studies have shown that the older people get, the less likely they are to eat in fast-food restaurants. Since the average age of the Canatrian population is gradually rising and will continue to do so, the number of fast-food restaurants is likely to decrease.

Which of the following, if true, most seriously weakens the argument?

A) Fast-food restaurants in Canatria are getting bigger, so each one can serve more customers.
B) Some older people eat at fast-food restaurants more frequently than the average young person.
C) Many people who rarely eat in fast-food restaurants nevertheless eat regularly in restaurants.
D) The overall population of Canatria is growing steadily.
E) As the population of Canatria gets older, more people are eating at home.


OG 2017 New Question
[Reveal] Spoiler: OA

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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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New post 18 Jun 2016, 23:52
Younger people eat in fastfood. Average age of current population is increasing - Number of fastfood restaurants will decrease

Possible weakener: As the current population ages, younger people are added to the population

A) Fast-food restaurants in Canatria are getting bigger, so each one can serve more customers. - Incorrect - Out of context. We are not bothered about the increase in capacity of fast food restaurants.

B) Some older people eat at fast-food restaurants more frequently than the average young person. - Incorrect - Irrelevant

C) Many people who rarely eat in fast-food restaurants nevertheless eat regularly in restaurants. - Incorrect - Strengthens

D) The overall population of Canatria is growing steadily. - Correct

E) As the population of Canatria gets older, more people are eating at home. - Incorrect - Supports the argument

Answer: D
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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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New post 19 Jun 2016, 00:42
AbdurRakib wrote:
Fast-food restaurants make up 45 percent of all restaurants in Cantaria. Customers at these restaurants tend to be young; in fact, studies have shown that the older people get, the less likely they are to eat in fast-food restaurants. Since the average age of the Canatrian population is gradually rising and will continue to do so, the number of fast-food restaurants is likely to decrease.

Which of the following, if true, most seriously weakens the argument?

A) Fast-food restaurants in Canatria are getting bigger, so each one can serve more customers.
B) Some older people eat at fast-food restaurants more frequently than the average young person.
C) Many people who rarely eat in fast-food restaurants nevertheless eat regularly in restaurants.
D) The overall population of Canatria is growing steadily.
E) As the population of Canatria gets older, more people are eating at home.


OG 2017 New Question



A) Fast-food restaurants in Canatria are getting bigger, so each one can serve more customers.--No mention of no. of customers a restaurant can serve.Eliminate
B) Some older people eat at fast-food restaurants more frequently than the average young person.--Some people cannot help to weaken the argument.Eliminate.
C) Many people who rarely eat in fast-food restaurants nevertheless eat regularly in restaurants.--Restaurants are out of scope.only fast food restaurants is under consideration.Eliminate
D) The overall population of Canatria is growing steadily. --Ok.If population is growing that means more births to new child.i.e more youths in near future.Perfect
E) As the population of Canatria gets older, more people are eating at home.--This actually strengthens the argument.Eliminate
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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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AbdurRakib wrote:
Fast-food restaurants make up 45 percent of all restaurants in Cantaria. Customers at these restaurants tend to be young; in fact, studies have shown that the older people get, the less likely they are to eat in fast-food restaurants. Since the average age of the Canatrian population is gradually rising and will continue to do so, the number of fast-food restaurants is likely to decrease.

Which of the following, if true, most seriously weakens the argument?

A) Fast-food restaurants in Canatria are getting bigger, so each one can serve more customers.
B) Some older people eat at fast-food restaurants more frequently than the average young person.
C) Many people who rarely eat in fast-food restaurants nevertheless eat regularly in restaurants.
D) The overall population of Canatria is growing steadily.
E) As the population of Canatria gets older, more people are eating at home.


OG 2017 New Question


A) Irrelevant, As not saying anything about young people in Canatria
B) Some Older People -- too vague
C) Irrelevant
D) It includes young number of Young people also increased -- Sale in Fast food restaurant will be positive
E) Already in answer that older people not prefer to eat in fast food restaurant
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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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AbdurRakib wrote:
Fast-food restaurants make up 45 percent of all restaurants in Cantaria. Customers at these restaurants tend to be young; in fact, studies have shown that the older people get, the less likely they are to eat in fast-food restaurants. Since the average age of the Canatrian population is gradually rising and will continue to do so, the number of fast-food restaurants is likely to decrease.

Which of the following, if true, most seriously weakens the argument?

A) Fast-food restaurants in Canatria are getting bigger, so each one can serve more customers.
B) Some older people eat at fast-food restaurants more frequently than the average young person.
C) Many people who rarely eat in fast-food restaurants nevertheless eat regularly in restaurants.
D) The overall population of Canatria is growing steadily.
E) As the population of Canatria gets older, more people are eating at home.


OG 2017 New Question


Conclusion says Since the average age of the Canatrian population is gradually rising and will continue to do so, the number of fast-food restaurants is likely to decrease.

In order to weaken this, we could find below points:-
1) Young people who start eating fast food continue doing same even when they get old.
2) Young people are also increasing with the increase in Old population.

A) Fast-food restaurants in Canatria are getting bigger, so each one can serve more customers. Not concerned about number of customers.

B) Some older people eat at fast-food restaurants more frequently than the average young person. 'Some' and not 'All'

C) Many people who rarely eat in fast-food restaurants nevertheless eat regularly in restaurants. Not concerned about other restaurants.

D) The overall population of Canatria is growing steadily. That means young people are also growing . Correct answer

E) As the population of Canatria gets older, more people are eating at home. Will they eat at fast-food chain is our concern.
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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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New post 02 Jul 2016, 21:14
Is this really a 600-700 level question?
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Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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Number & Percentages are two different things.
Percentages are actually numbers expressed on the scale of 100.

In various problems, they use number and percentages interchangeably to create a RIGHT or WRONG solution.

20% 100 < 5%1000 [20 < 50]

Fast-food restaurants make up 45 percent of all restaurants in Cantaria. Customers at these restaurants tend to be young; in fact, studies have shown that the older people get, the less likely they are to eat in fast-food restaurants. Since the average age of the Canatrian population is gradually rising and will continue to do so, the number of fast-food restaurants is likely to decrease.

The argument is saying that since the average age is gradually rising that means that the %age of older people is increasing and the percentage of young people is decreasing from 45%. Therefore the number of fast foods restaurant is likely to decrease.

Which of the following, if true, most seriously weakens the argument?

The existence or Presence or Survival of Fast Food restaurants depends on upon a minimum number of people who belong to the young age, but as the argument says that this %age is decreasing, therefore a lesser number of Young people.

CURRENT STATUS = 45% OF CURRENT TOTAL POPULATION = CERTAIN CURRENT NUMBER

But, The percentage in red is decreasing? Then how can we maintain the same number of young people?

As we discussed above with sample space - 20% 100 < 5%1000

(45-X)% OF FUTURE TOTAL POPULATION ≥ 45% OF CURRENT TOTAL POPULATION

Where,
FUTURE TOTAL POPULATION > CURRENT TOTAL POPULATION - This is what option D says.
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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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New post 05 Jan 2017, 11:46
I agree that with each year there is an addition of newborns in the population,hence, the young population increases, but with each year there are few younger folks who move into the 'older' bucket. Don't we consider this scenario?
Please help.
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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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New post 07 Jul 2017, 22:13
Dear Experts, please assist me here: Isn't Option B valid? Although it states that "Some" older people eat more frequently than the younger people, the statement still attacks the conclusion made by the author! Although option B says "Some", the option is still strong enough to arrest the decrease of the fast food restaurants
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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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Dear Experts, please assist me here: Isn't Option B valid? Although it states that "Some" older people eat more frequently than the younger people, the statement still attacks the conclusion made by the author! Although option B says "Some", the option is still strong enough to arrest the decrease of the fast food restaurants

Quote:
B) Some older people eat at fast-food restaurants more frequently than the average young person.

Even if some older people eat at fast-food restaurants more frequently than the average young person, it wouldn't change the evidence on which the argument is based: "Customers at these restaurants tend to be young; in fact, studies have shown that the older people get, the less likely they are to eat in fast-food restaurants."

This evidence only suggests that older people are less likely to eat in fast-food restaurants and does not suggest that ALL older people eat at fast-food restaurants less frequently than the average young person. Statement (B) does not interfere with the author's argument and can be eliminated.

I hope that helps!
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Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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Vyshak wrote:
Younger people eat in fastfood. Average age of current population is increasing - Number of fastfood restaurants will decrease

Possible weakener: As the current population ages, younger people are added to the population

A) Fast-food restaurants in Canatria are getting bigger, so each one can serve more customers. - Incorrect - Out of context. We are not bothered about the increase in capacity of fast food restaurants.

B) Some older people eat at fast-food restaurants more frequently than the average young person. - Incorrect - Irrelevant

C) Many people who rarely eat in fast-food restaurants nevertheless eat regularly in restaurants. - Incorrect - Strengthens

D) The overall population of Canatria is growing steadily. - Correct

E) As the population of Canatria gets older, more people are eating at home. - Incorrect - Supports the argument

Answer: D



I have a problem with D. Just because Canatria´s population increased, it doesn´t mean that the number of young people in Canatria will increase, since that same increase in the population could have been due to immigration for example, and we can´t say that immigrants are young.
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AbdurRakib wrote:
Fast-food restaurants make up 45 percent of all restaurants in Cantaria. Customers at these restaurants tend to be young; in fact, studies have shown that the older people get, the less likely they are to eat in fast-food restaurants. Since the average age of the Canatrian population is gradually rising and will continue to do so, the number of fast-food restaurants is likely to decrease.

Which of the following, if true, most seriously weakens the argument?

A) Fast-food restaurants in Canatria are getting bigger, so each one can serve more customers.
B) Some older people eat at fast-food restaurants more frequently than the average young person.
C) Many people who rarely eat in fast-food restaurants nevertheless eat regularly in restaurants.
D) The overall population of Canatria is growing steadily.
E) As the population of Canatria gets older, more people are eating at home.
OG 2017 New Question


Step 1: Narrow down the options
I think the key to this question is: "Since the average age of the Canatrian population is gradually rising." So, based on that hypothesis, we could find an answer that within "population" context.

A and C are out.

Step 2: Compare
A) Fast-food restaurants in Canatria are getting bigger, so each one can serve more customers. - So? Irrelevant.
B) Some older people eat at fast-food restaurants more frequently than the average young person. - "SOME" doesn't help
C) Many people who rarely eat in fast-food restaurants nevertheless eat regularly in restaurants. - Irrelevant
D) The overall population of Canatria is growing steadily. - PERFECT.
E) As the population of Canatria gets older, more people are eating at home. - Support the argument.

After the options are narrowed down, we could compare B, D, and E easily.

The answer is D.
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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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scarlatti wrote:
Vyshak wrote:
Younger people eat in fastfood. Average age of current population is increasing - Number of fastfood restaurants will decrease

Possible weakener: As the current population ages, younger people are added to the population

A) Fast-food restaurants in Canatria are getting bigger, so each one can serve more customers. - Incorrect - Out of context. We are not bothered about the increase in capacity of fast food restaurants.

B) Some older people eat at fast-food restaurants more frequently than the average young person. - Incorrect - Irrelevant

C) Many people who rarely eat in fast-food restaurants nevertheless eat regularly in restaurants. - Incorrect - Strengthens

D) The overall population of Canatria is growing steadily. - Correct

E) As the population of Canatria gets older, more people are eating at home. - Incorrect - Supports the argument

Answer: D


I have a problem with D. Just because Canatria´s population increased, it doesn´t mean that the number of young people in Canatria will increase, since that same increase in the population could have been due to immigration for example, and we can´t say that immigrants are young.

Vyshak, it's true that choice (D) might not weaken the argument. We can think of scenarios, like the one you described, in which choice (D) would have no effect. But remember that we are looking for an answer choice that most seriously weakens the argument, not an answer choice that definitely weakens the argument.

The author says that the number of fast-food restaurants is likely to decrease because the average age is increasing. Thus, according to the author, the number of young people will probably decrease. Choice (D) seriously undermines this reasoning. If the overall population is growing steadily ("steadily" is a key word here), then that will probably counteract the effect of the aging.

Sure, we might have a steady influx of older immigrants, but if we are talking about steady growth of the overall population, it is more likely that we will see increases across all ages. Choice (D) does not disprove the author's logic with 100% certainty, but it does seriously weaken the argument.

I hope that helps!
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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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I wonder if gmat gives these type of questions similar to OG
I find OG CRs comparatively easy and better comprehendable
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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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New post 20 Feb 2018, 18:26
AbdurRakib wrote:
Fast-food restaurants make up 45 percent of all restaurants in Cantaria. Customers at these restaurants tend to be young; in fact, studies have shown that the older people get, the less likely they are to eat in fast-food restaurants. Since the average age of the Canatrian population is gradually rising and will continue to do so, the number of fast-food restaurants is likely to decrease.

Which of the following, if true, most seriously weakens the argument?

A) Fast-food restaurants in Canatria are getting bigger, so each one can serve more customers.
B) Some older people eat at fast-food restaurants more frequently than the average young person.
C) Many people who rarely eat in fast-food restaurants nevertheless eat regularly in restaurants.
D) The overall population of Canatria is growing steadily.
E) As the population of Canatria gets older, more people are eating at home.


OG 2017 New Question


Imo D .

So conclusion is that the number of restaurants will decline.What will weaken it .
The answer which ha something to with the number of restaurants not declining will be the answer .

A this is classic trap answer . If the size of the restaurants increases then also there can be a decline in the number of restaurants.
B Still "some " is the problem as there can be 1 old person and there can be 100 old persons so throw this option in the dirt! .
C this just out of scope as it give new information with no relevance to the argument .
D Hmmm this one actually says that the population will increase and thus the restaurants will have customers so this is our answer .
E This clearly strengthens the argument
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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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New post 10 Mar 2018, 07:50
GMATNinja wrote:
scarlatti wrote:
Vyshak wrote:
Younger people eat in fastfood. Average age of current population is increasing - Number of fastfood restaurants will decrease

Possible weakener: As the current population ages, younger people are added to the population

A) Fast-food restaurants in Canatria are getting bigger, so each one can serve more customers. - Incorrect - Out of context. We are not bothered about the increase in capacity of fast food restaurants.

B) Some older people eat at fast-food restaurants more frequently than the average young person. - Incorrect - Irrelevant

C) Many people who rarely eat in fast-food restaurants nevertheless eat regularly in restaurants. - Incorrect - Strengthens

D) The overall population of Canatria is growing steadily. - Correct

E) As the population of Canatria gets older, more people are eating at home. - Incorrect - Supports the argument

Answer: D


I have a problem with D. Just because Canatria´s population increased, it doesn´t mean that the number of young people in Canatria will increase, since that same increase in the population could have been due to immigration for example, and we can´t say that immigrants are young.

Vyshak, it's true that choice (D) might not weaken the argument. We can think of scenarios, like the one you described, in which choice (D) would have no effect. But remember that we are looking for an answer choice that most seriously weakens the argument, not an answer choice that definitely weakens the argument.

The author says that the number of fast-food restaurants is likely to decrease because the average age is increasing. Thus, according to the author, the number of young people will probably decrease. Choice (D) seriously undermines this reasoning. If the overall population is growing steadily ("steadily" is a key word here), then that will probably counteract the effect of the aging.

Sure, we might have a steady influx of older immigrants, but if we are talking about steady growth of the overall population, it is more likely that we will see increases across all ages. Choice (D) does not disprove the author's logic with 100% certainty, but it does seriously weaken the argument.

I hope that helps!


So does overall in this context mean all age groups? D is kind of vague, I thought B was the better answer
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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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New post 14 Mar 2018, 23:01
bpdulog wrote:
So does overall in this context mean all age groups? D is kind of vague, I thought B was the better answer

As described in my last post, (D) is a bit "vague". Specifically, we cannot say with 100% certainty that (D) would weaken the argument.

The "overall" population refers to the total population. Sure, there might be a steady influx of older immigrants, causing a steady increase in overall population. But it is likely that steady growth of the overall population implies growth across all age groups.

As for choice (B), check out this explanation.

I hope that helps!
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Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari [#permalink]

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New post 05 Apr 2018, 22:47
Note :
D: Overall Population growing steadily implies---all age groups are growing steadily..
So if people are becoming older ..and suppose few people move from youth bracket to old age bracket
then there are many kids/children who move to the youth category..
Re: Fast-food restaurants make up 45 percent of all restaurants in Cantari   [#permalink] 05 Apr 2018, 22:47
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Fast-food restaurants make up 45 percent of all restaurants in Cantari

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