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With a record number of new companies starting up in

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With a record number of new companies starting up in [#permalink] New post 30 Jun 2008, 03:32
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C
D
E

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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 the 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 [#permalink] New post 30 Jun 2008, 03:56
yavasani 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 the 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.


Should be C.

What is the source of this question?
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Re: CR: Assumption [#permalink] New post 30 Jun 2008, 04:47
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 the 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.not correct
B. Companies established last year will not add a greater number of jobs overall this year than they did last year. stated in the argument..it is a premise
C. This year, the new companies starting up will not provide substantially more jobs per company than did new companies last year. more new companies are needed to get a substantial increase of jobs ...correct
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. irrelevant
E. The number of jobs created in the Derderian economy last year was substantially larger than the number of jobs lost last year. irrelevant

Should be C
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Re: CR: Assumption [#permalink] New post 30 Jun 2008, 07:35
Should be C.

last year

Jobs created by X + Jobs Created by Y = X+Y

This year

X1<X, the only possible way to make X1+Y1 > X+Y is if Y1>Y
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Re: CR: Assumption [#permalink] New post 30 Jun 2008, 11:10
Why is A wrong ? I like A
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Re: CR: Assumption [#permalink] New post 30 Jun 2008, 12:28
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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 the new jobs created.

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


I agree with C. See below my reasoning why A is wrong.

A. Each year, new companies starting up create more new jobs overall than do previously established companies. (this may be true, but this is not an assumption in the argument. In fact, the argument assumes another thing: that the number of jobs from new companies will not increase enough to compensate the decrease in the number of jobs from established companies)

B. Companies established last year will not add a greater number of jobs overall this year than they did last year. (this just repeats the premise)

C. This year, the new companies starting up will not provide substantially more jobs per company than did new companies last year. (here it is. If this is false, so that the same number of new companies will provide a greater number of jobs than before, the conclusion won’t be necessary true)

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. (this even strengthens the conclusion)

E. The number of jobs created in the Derderian economy last year was substantially larger than the number of jobs lost last year. (Irrelevant to argument since it gives us no info regarding this year situation)
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Re: CR: Assumption [#permalink] New post 01 Jul 2008, 03:17
OA is C. This is from GMAT PREP.

lexis wrote:
yavasani 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 the 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.


Should be C.

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Re: CR: Assumption [#permalink] New post 01 Jul 2008, 20:03
Ashwin_Mohan wrote:
Should be C.

last year

Jobs created by X + Jobs Created by Y = X+Y

This year

X1<X, the only possible way to make X1+Y1 > X+Y is if Y1>Y


Good approach.
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Re: CR: Assumption [#permalink] New post 02 Jul 2008, 00:01
This is my line of thought, let me know if it is okay

Conclusion - Unless a record number of companies start up this year, Derderia will not break its record for the new jobs created.
Premise - Each year, new companies starting up create more new jobs overall than do previously established companies.
Assumption - This year, the new companies starting up will not provide substantially more jobs per company than did new companies last year.



Premise supports the Conclusion directly Hence
Options
A - ruled out - Premise
B - ruled out - Out of context.
C - Correct
D - ruled out - Out of Context
E - ruled out - Out of Context

The reason why B,D & E are ruled out is that they talk about issues which are not related to the argument.
Re: CR: Assumption   [#permalink] 02 Jul 2008, 00:01
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