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Which of the following most logically completes the

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Which of the following most logically completes the [#permalink] New post 01 May 2012, 20:05
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Which of the following most logically completes the argument?
Yorco and Zortech are two corporations that employ large numbers of full-time workers who are paid by the hour. Publicly available records indicate that Yorco employs roughly the same number of such hourly wage workers as Zortech
does but spends a far higher total sum per year on wages for such workers. Therefore, hourly wages must be higher, on average, at Yorco than at Zortech, since __.
A. Zortech spends a higher total sum per year than Yorco does to provide its hourly wage workers with benefits other than wages

B.the work performed by hourly wage workers at Zortech does not require a significantly higher level of skill than the work performed by hourly wage workers at Yorco does

C. the proportion of all company employees who are hourly wage workers is significantly greater at Yorco than it is at Zortech

D.overtime work, which is paid at a substantially higher rate than work done during the regular work week, is rare at both Yorco and Zortech

E. the highest hourly wages paid at Yorco are higher than the highest hourly wages paid at Zortech

can anyone please explain why E is wrong ?
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Re: Yorco and Zortech [#permalink] New post 01 May 2012, 21:44
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E is irrelevant. the highest or lowest salary comparison has no impact anywhere on the conclusion in that conclusion talks of the average hourly wages.
D removes a possibility of overtime salary and hence strengthens the conclusion.
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Re: Yorco and Zortech [#permalink] New post 01 May 2012, 23:02
Which of the following most logically completes the argument?
Yorco and Zortech are two corporations that employ large numbers of full-time workers who are paid by the hour. Publicly available records indicate that Yorco employs roughly the same number of such hourly wage workers as Zortech
does but spends a far higher total sum per year on wages for such workers. Therefore, hourly wages must be higher, on average, at Yorco than at Zortech, since __.
A. Zortech spends a higher total sum per year than Yorco does to provide its hourly wage workers with benefits other than wages

B.the work performed by hourly wage workers at Zortech does not require a significantly higher level of skill than the work performed by hourly wage workers at Yorco does

C. the proportion of all company employees who are hourly wage workers is significantly greater at Yorco than it is at Zortech

D.overtime work, which is paid at a substantially higher rate than work done during the regular work week, is rare at both Yorco and Zortech

E. the highest hourly wages paid at Yorco are higher than the highest hourly wages paid at Zortech

can anyone please explain why E is wrong ?


The following ones are the given premises.

1) No. Employees at Yorco (Ny) = Nz (Zortech)
2) Total Income at Yorco (Ty) > Tz

E is wrong because, two things can happen.

1) Number of the highest hourly wages paid Employees at Yorco > No. Highest hr paid at Zortech
Then Ty > Tz

2) No. highest hr paid at Yorco < No. highest hr paid at Zortech
Then Tz < Ty

The trouble is we don't know the above two numbers(the proportion of them). Because the second case can reverse the whole premises, E should be the wrong choice.

Please correct me if wrong

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Re: Yorco and Zortech [#permalink] New post 03 May 2012, 06:02
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Also, you have to understand that when a "complete the passage" question ends with 'since', it is basically an assumption question.

Hence, with this added knowledge, if you look at the question, what it's really saying is that despite the fact that both the companies employ roughly the same number of hourly wage workers, the fact that Yorco spends a far higher sum on wages of the said workers MUST be attributed to the fact that Yorco has higher hourly wages BECAUSE there is no other factor that points to the contrary.

The underlined portion is the assumption, and choice D removes the possibility of another factor as the reason behind Yorco's higher expenditure on hourly wages. Thus, choice D gives weight to the implied assumption and is the correct answer choice.

Hope that helped.
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Re: Which of the following most logically completes the [#permalink] New post 24 Nov 2013, 06:59
I could not figure out why C was out. Anyone with a detailed explanation of all the choices?
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Re: Which of the following most logically completes the [#permalink] New post 24 Jan 2014, 03:59
It's D because they have roughly the same number but a higher cost. Hence, since there is no overtime, the hourly wages must be higher.
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Re: Which of the following most logically completes the [#permalink] New post 24 Jan 2014, 14:01
cssk wrote:
I could not figure out why C was out. Anyone with a detailed explanation of all the choices?



P1 :Yorco and Zortech are two corporations that employ large numbers of full-time workers who are paid by the hour.

P 2 :Publicly available records indicate that Yorco employs roughly the same number of such hourly wage workers as Zortech does but spends a far higher total sum per year on wages for such workers.

Concl : Therefore, hourly wages must be higher, on average, at Yorco than at Zortech, since __.

We are required to find the "basis of conclusion"

Prethink : Number of Man hours are same at both the corporations


C. the proportion of all company employees who are hourly wage workers is significantly greater at Yorco than it is at Zortech

Say for eg.

Particulars Corporation Y Corporation Z Remarks
Case 1

Total Employees 100 200
Total HWW 90 90 # of HWW of Y =# of HWW of Z (P 2)
Other Workers 10 110
Proportion of HWW 90% 45%
Total wages to HWW 90000 36000 Y spends higher on wages (P 2)
Total Hours worked by HWW 90*8*25=18000 90*8*25=18000 Assume 8 hours for 25 days
Hourly wages 5 (90000/18000) 2 (36000/18000) Hourly wages at Y are higher


Case 2
Total Employees 100 100
Total HWW 90 90 # of HWW of Y =# of HWW of Z (P 2)
Other Workers 10 10
Proportion of HWW 90% 90%
Total wages to HWW 90000 36000 Y spends higher on wages (P 2)
Total Hours worked by HWW 90*8*25=18000 90*8*25=18000
Hourly wages 5 (90000/18000) 2 (36000/18000) Hourly wages at Y are higher

You can see that in case 2 even though the proportion of HWW is same in both the corporation, hourly wage at Y is higher i.e. the change in proportion of HWW may or may not lead to the conclusion.

This is more of quant problem

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Re: Which of the following most logically completes the [#permalink] New post 25 Jan 2014, 07:53
HOURLY WAGE X NUMBER OF HOURS X NUMBER OF EMPLOYEES = SUM PAID ON WAGES.....
NUMBER OF EMPLOYEES= SAME IN BOTH....
SUM PAID ON WAGES IN YORCO WILL BE HIGHER IF HOURLY WAGE OR NUMBER OF HOURS IS HIGHER ..........

IF WE WANT TO ENSURE THAT HOURLY WAGE IS ONLY RESPONSIBLE FOR HIGHER SUM PAID ON WAGES.......WE WILL HAVE TO SHOW THAT IT IS NOT BECAUSE OF MORE NUMBER OF HOURS WORKED THAT THE OVERALL SUM PAID ON WAGES IS HIGHER......

ONLY "D" SATISFIES THIS REQUIREMENT HENCE CORRECT.......
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Re: Which of the following most logically completes the [#permalink] New post 26 Jan 2014, 03:35
can anyone please explain why B is wrong ?
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Re: Which of the following most logically completes the [#permalink] New post 26 Jan 2014, 06:33
email2vm wrote:
can anyone please explain why B is wrong ?


P1 :Yorco and Zortech are two corporations that employ large numbers of full-time workers who are paid by the hour.

P 2 : Publicly available records indicate that Yorco employs roughly the same number of such hourly wage workers as Zortech does but spends a far higher total sum per year on wages for such workers.

Concl : Therefore, hourly wages must be higher, on average, at Yorco than at Zortech, since __.

We are required to find the "basis of conclusion"

Option B : the work performed by hourly wage workers at Zortech does not require a significantly higher level of skill than the work performed by hourly wage workers at Yorco does. Suppose if we rate skill requirement in numbers (1 lowest and 10 highest) then we can think of following 3 options

Option 1 Skill requirement at Z = 6 & Skill requirement at Y = 5 (not significantly higher level)
Option 2 Skill requirement at Z = 5 & Skill requirement at Y = 5 (equal)
Option 3 Skill requirement at Z = 4 & Skill requirement at Y = 5 (lower)

If you are manager at both the corporations then to whose workers you will give higher wages per hour?
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Re: Which of the following most logically completes the [#permalink] New post 26 Jan 2014, 11:21
Hi Cark,

I re-read the question after posting my comment and understood that it was most silly question I asked.

Nevertheless, you were right on.

Cheers,
Ravi
Re: Which of the following most logically completes the   [#permalink] 26 Jan 2014, 11:21
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