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With a record number of new companies starting up in [#permalink] New post 27 Oct 2008, 10:19
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A
B
C
D
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40% (02:27) correct 60% (01:58) wrong based on 7 sessions
With a record number of new companies starting up in Derderia and with previously established companies adding many jobs, a record number of new jobs were created last year in the Derderian economy. This year, previously established companies will not be adding as many new jobs overall as such companies added last year. Therefore, unless a record number of companies start up this year, Derderia will not break its record for new jobs created.

Which of the following is an assumption on which the argument relies?

a) Each year, new companies starting up create more new jobs overall than do previously established companies.

b) Companies established last year will not add a greater number of jobs overall this year than they did last year.

c) This year, the new companies starting up will not provide substantially more jobs per company than did new companies last year.

d) This year, the overall number of jobs created by previously established companies will be less than the overall number of jobs lost at those companies.

e) The number of jobs created in the Derderian economy last year was substantially larger than the number of jobs lost last year.



Please explain your answer and also the reason why each of the other answer choices are wrong.

Thanks!
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Re: CR: Assumption Question [#permalink] New post 27 Oct 2008, 10:50
IMO D
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Re: CR: Assumption Question [#permalink] New post 27 Oct 2008, 11:14
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tarek99 wrote:
With a record number of new companies starting up in Derderia and with previously established companies adding many jobs, a record number of new jobs were created last year in the Derderian economy. This year, previously established companies will not be adding as many new jobs overall as such companies added last year. Therefore, unless a record number of companies start up this year, Derderia will not break its record for new jobs created.

Which of the following is an assumption on which the argument relies?

a) Each year, new companies starting up create more new jobs overall than do previously established companies.

If they do so, it is possible that D will have more jobs created this year but our conclusion says otherwise.

b) Companies established last year will not add a greater number of jobs overall this year than they did last year.


Isn't this already stated in the stimulus?

c) This year, the new companies starting up will not provide substantially more jobs per company than did new companies last year.

IMO, Correct. Negate this. New Companies will provide substantially more jobs per company than did new companies last year. So There is a chance that the new jobs this year will break the last year's record. If we look at the stimulus it reaches the conclusion that total number of jobs created will be less than last year based on the lesser number of jobs created by established companies. So the missing piece is the new start ups will not hire massively to set a new record.


d) This year, the overall number of jobs created by previously established companies will be less than the overall number of jobs lost at those companies.

Unrelated. we are not talking about the net jobs and whether the net jobs (created-lost) is positive or negative

e) The number of jobs created in the Derderian economy last year was substantially larger than the number of jobs lost last year.

Unrelated.




Please explain your answer and also the reason why each of the other answer choices are wrong.

Thanks!


I say C
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Re: CR: Assumption Question [#permalink] New post 27 Oct 2008, 11:19
tarek99 wrote:
With a record number of new companies starting up in Derderia and with previously established companies adding many jobs, a record number of new jobs were created last year in the Derderian economy. This year, previously established companies will not be adding as many new jobs overall as such companies added last year. Therefore, unless a record number of companies start up this year, Derderia will not break its record for new jobs created.

Which of the following is an assumption on which the argument relies?

a) Each year, new companies starting up create more new jobs overall than do previously established companies.

b) Companies established last year will not add a greater number of jobs overall this year than they did last year.

c) This year, the new companies starting up will not provide substantially more jobs per company than did new companies last year.

d) This year, the overall number of jobs created by previously established companies will be less than the overall number of jobs lost at those companies.

e) The number of jobs created in the Derderian economy last year was substantially larger than the number of jobs lost last year.



Please explain your answer and also the reason why each of the other answer choices are wrong.

Thanks!


unless a record number of companies start up this year derderia will not be breaking the record for new jobs from last year because previously established companies will not be adding new jobs

this argument relies on the assumption that the record number of companies that start up will create more jobs than ever before (just because the company starts up doesnt mean it creates more jobs.

ill go with A
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Re: CR: Assumption Question [#permalink] New post 27 Oct 2008, 11:58
bigtreezl wrote:
unless a record number of companies start up this year derderia will not be breaking the record for new jobs from last year because previously established companies will not be adding new jobs

this argument relies on the assumption that the record number of companies that start up will create more jobs than ever before (just because the company starts up doesnt mean it creates more jobs.

ill go with A


But out conclusion is that D will not break the record created last year. A says that there is a chance that record will be broken. C says that even if record number of companies are started and they dont make up substantially for what is lost from non hiring in established companies. Then we will still have the conclusion that record will not be broken.
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Re: CR: Assumption Question [#permalink] New post 27 Oct 2008, 12:23
icandy wrote:
bigtreezl wrote:
unless a record number of companies start up this year derderia will not be breaking the record for new jobs from last year because previously established companies will not be adding new jobs

this argument relies on the assumption that the record number of companies that start up will create more jobs than ever before (just because the company starts up doesnt mean it creates more jobs.

ill go with A


But out conclusion is that D will not break the record created last year. A says that there is a chance that record will be broken. C says that even if record number of companies are started and they dont make up substantially for what is lost from non hiring in established companies. Then we will still have the conclusion that record will not be broken.


I was torn btw A and C, but
the conclusion says "unless a record number...." so even if you have a record number of new start ups, the assumption is that these start ups will create a record number of jobs.
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Re: CR: Assumption Question [#permalink] New post 27 Oct 2008, 14:44
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The correct answer is C.

This one tastes like a GMAT question, although the waiter came along and sprinkled plenty of freshly ground LSAT on top. If we put the conclusion into a more normal grammatical order (which does NOT change its logical meaning!!), it becomes "Derderia will not break its record for new jobs created unless a record number of companies start up this year." Logically, the structure "not A unless B" means exactly the same thing as "If A, then B" (one of the useful points we teach in the Kaplan LSAT course).

So the conclusion actually means "If Derderia breaks its record for new jobs created, a record number of companies must have started up", or, contrapositively, "If a record number of companies do not start up, Derderia will not break its record."

What's the evidence? Only two facts: New jobs are created by previously established companies adding jobs and by new companies starting up; and this year's previously established companies are not going to add as many jobs as last year's established companies did.

What is missing? In order to prove the conclusion, we need to prove that if the evidence is true and IF a record number of companies do not start up, then the TOTAL number of new jobs created this year will be fewer than last year. The evidence tells us that the established companies will create fewer jobs. In order to show that the total number of new jobs will be smaller, we also need to know that the startups will create fewer jobs.

The "if" part of the conclusion tells us that there will be fewer startup COMPANIES -- but that is not what we need. We need fewer JOBS. Therefore, the missing assumption is that fewer startup COMPANIES necessarily means fewer JOBS. Answer choice C guarantees that this will be true, and so it is correct.
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Re: CR: Assumption Question [#permalink] New post 27 Oct 2008, 21:16
Clear case of (C)
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Re: CR: Assumption Question [#permalink] New post 27 Oct 2008, 22:19
tarek99 wrote:
With a record number of new companies starting up in Derderia and with previously established companies adding many jobs, a record number of new jobs were created last year in the Derderian economy. This year, previously established companies will not be adding as many new jobs overall as such companies added last year. Therefore, unless a record number of companies start up this year, Derderia will not break its record for new jobs created.

Which of the following is an assumption on which the argument relies?

a) Each year, new companies starting up create more new jobs overall than do previously established companies.

b) Companies established last year will not add a greater number of jobs overall this year than they did last year.

c) This year, the new companies starting up will not provide substantially more jobs per company than did new companies last year.


d) This year, the overall number of jobs created by previously established companies will be less than the overall number of jobs lost at those companies.

e) The number of jobs created in the Derderian economy last year was substantially larger than the number of jobs lost last year.



Please explain your answer and also the reason why each of the other answer choices are wrong.

Thanks!




Correct Answer Should be C


Conclusion: Therefore, unless a record number of companies start up this year, Derderia will not break its record for new jobs created.
New jobs must NOT be created by some alternate way.

The conclusion talks about the number of companies .

For Derdia to break its record for new jobs created and the number of companies to start up this year to be atleast equal to last year, the number of jobs created per company should be more.

Derdia break its record for new jobs:
Last year 4 companies 3 jobs per company= 12 jobs
1. Increase in number of companies and same number of jobs = 6 companies and 3 jobs per company = 18 jobs(Record Broken)Already stated in Conclusion
OR
2.Same number of companies and increase in number of jobs = 4 companies and 5 jobs per company = 20 jobs
(Record Broken) Alternate way mentioned in C
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Re: CR: Assumption Question [#permalink] New post 27 Oct 2008, 23:11
Agree with the explanations for C.
Again tarek whats the QA ?
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Re: CR: Assumption Question [#permalink] New post 29 Oct 2008, 07:47
grumpyoldman wrote:
The correct answer is C.

This one tastes like a GMAT question, although the waiter came along and sprinkled plenty of freshly ground LSAT on top. If we put the conclusion into a more normal grammatical order (which does NOT change its logical meaning!!), it becomes "Derderia will not break its record for new jobs created unless a record number of companies start up this year." Logically, the structure "not A unless B" means exactly the same thing as "If A, then B" (one of the useful points we teach in the Kaplan LSAT course).

So the conclusion actually means "If Derderia breaks its record for new jobs created, a record number of companies must have started up", or, contrapositively, "If a record number of companies do not start up, Derderia will not break its record."

What's the evidence? Only two facts: New jobs are created by previously established companies adding jobs and by new companies starting up; and this year's previously established companies are not going to add as many jobs as last year's established companies did.

What is missing? In order to prove the conclusion, we need to prove that if the evidence is true and IF a record number of companies do not start up, then the TOTAL number of new jobs created this year will be fewer than last year. The evidence tells us that the established companies will create fewer jobs. In order to show that the total number of new jobs will be smaller, we also need to know that the startups will create fewer jobs.

The "if" part of the conclusion tells us that there will be fewer startup COMPANIES -- but that is not what we need. We need fewer JOBS. Therefore, the missing assumption is that fewer startup COMPANIES necessarily means fewer JOBS. Answer choice C guarantees that this will be true, and so it is correct.


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Re: CR: Assumption Question [#permalink] New post 29 Oct 2008, 10:27
Good one.

I selected A, but now realized where I went wrong!

Thanks,
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Re: CR: Assumption Question [#permalink] New post 30 Oct 2008, 07:53
I actually thought C was more of a conclusion than an assumption...

Anyone agree?
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Re: CR: Assumption Question [#permalink] New post 31 Oct 2008, 01:31
Conclusion: Derderia will not break its record for new jobs created.

Assumption should support the conclusion or one of the premises.
(a) is neutral.
(b) re-states one of the premises.
(c) eliminates an alternate means of breaking the record of new jobs. Hence, hold on this.
(d) Conclusion is not about the net jobs. Hence, irrelevant.
(e) Conclusion is not about the net jobs. Hence, irrelevant.

Hence, C should be the answer.

tarek99 wrote:
With a record number of new companies starting up in Derderia and with previously established companies adding many jobs, a record number of new jobs were created last year in the Derderian economy. This year, previously established companies will not be adding as many new jobs overall as such companies added last year. Therefore, unless a record number of companies start up this year, Derderia will not break its record for new jobs created.

Which of the following is an assumption on which the argument relies?

a) Each year, new companies starting up create more new jobs overall than do previously established companies.

b) Companies established last year will not add a greater number of jobs overall this year than they did last year.

c) This year, the new companies starting up will not provide substantially more jobs per company than did new companies last year.

d) This year, the overall number of jobs created by previously established companies will be less than the overall number of jobs lost at those companies.

e) The number of jobs created in the Derderian economy last year was substantially larger than the number of jobs lost last year.
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Re: CR: Assumption Question [#permalink] New post 31 Oct 2008, 08:34
bigfernhead -- for the purposes of this question, C is not a conclusion, because the conclusion is (by definition) the conclusion stated in the PARAGRAPH. A statement such as C could certainly be a conclusion in some other context -- but here, the conclusion has to be the conclusion of the paragraph.

Interestingly enough, you could restructure this question as an inference question, with C being the correct answer. But that takes us to a very different level of logic: the logic that is used to CREATE questions. We're interested in the logic for ANSWERING them.
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Re: CR: Assumption Question [#permalink] New post 31 Oct 2008, 09:30
I will go with B


Edit : Oops : Agree with C
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Re: CR: Assumption Question [#permalink] New post 31 Oct 2008, 13:01
IMHO: C

Last year, the record was due to established companies and new companies. If this year, established companies will not add new jobs and Derderia will not reach the previous year record, thus new companies will not add more jobs than those that they did last year

OA?

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tarek99 wrote:
With a record number of new companies starting up in Derderia and with previously established companies adding many jobs, a record number of new jobs were created last year in the Derderian economy. This year, previously established companies will not be adding as many new jobs overall as such companies added last year. Therefore, unless a record number of companies start up this year, Derderia will not break its record for new jobs created.

Which of the following is an assumption on which the argument relies?

a) Each year, new companies starting up create more new jobs overall than do previously established companies.

b) Companies established last year will not add a greater number of jobs overall this year than they did last year.

c) This year, the new companies starting up will not provide substantially more jobs per company than did new companies last year.

d) This year, the overall number of jobs created by previously established companies will be less than the overall number of jobs lost at those companies.

e) The number of jobs created in the Derderian economy last year was substantially larger than the number of jobs lost last year.



Please explain your answer and also the reason why each of the other answer choices are wrong.

Thanks!

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Re: CR: Assumption Question [#permalink] New post 24 Aug 2011, 19:20
From the passage, prephase is: Need record # of new companies to maintain the number of jobs => no. of jobs per company will be low thats why we need a large no. of companies. If the companies were hiring same number of individuals per company the number of jobs would decrease.

In math form, # of new companies x no. of employees per company + estd. companies employees = constant.

# of new companies increase therefore no. of employees per company has to decrease.

C says that "This year, the new companies starting up will not provide substantially more jobs per company than did new companies last year."

Hence our answer.
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Re: With a record number of new companies starting up in [#permalink] New post 30 Oct 2013, 17:29
At first, I left between A and C and then I chose A
After reading explanation, I saw that C is more obvious.

But I'm curious of something here
Total No. of Job created related to variables
1.No. of Established companies (EC)
2.No. of jobs created by EC
3.No. of Start-up companies (SC)
4.No. of jobs created by SC
Then we got the formula : Total No. of Job created = (No. of EC)(No. of jobs created) + (No. of SC)(No. of jobs created)
But... here I thought we know only variable 1,2,4
We still not have value of 3. which is no. of start-up companies this year
From C we know No. of jobs created by SC this year but not the No. of SC that gonna pop up this year.
So if No. SC this yr is high enough to make the whole (No. of SC)(No. of jobs created) high to make new record.

How this argument still hold?
Could anyone please clarify this to me?
Thanks in advance.
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Re: With a record number of new companies starting up in [#permalink] New post 30 Oct 2013, 18:10
Expert's post
phunneyz wrote:
At first, I left between A and C and then I chose A
After reading explanation, I saw that C is more obvious.

But I'm curious of something here
Total No. of Job created related to variables
1.No. of Established companies (EC)
2.No. of jobs created by EC
3.No. of Start-up companies (SC)
4.No. of jobs created by SC
Then we got the formula : Total No. of Job created = (No. of EC)(No. of jobs created) + (No. of SC)(No. of jobs created)
But... here I thought we know only variable 1,2,4
We still not have value of 3. which is no. of start-up companies this year
From C we know No. of jobs created by SC this year but not the No. of SC that gonna pop up this year.
So if No. SC this yr is high enough to make the whole (No. of SC)(No. of jobs created) high to make new record.

How this argument still hold?
Could anyone please clarify this to me?
Thanks in advance.


The central component of the argument is the following conditional:

NOT Record # of startups --> NOT Record # of new jobs

This conditional is false if there is a record number of new jobs despite not having a record number of new startups. Since other information in the problem rules out existing companies generating more new jobs, the only way the conditional is falsified is if this year's startups create far more jobs per company than last year.

Since the argument assumes that this won't happen, C is the correct response.
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Re: With a record number of new companies starting up in   [#permalink] 30 Oct 2013, 18:10
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