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Updated on: 22 Sep 2014, 01:17
Originally posted by voodoochild on 21 Sep 2014, 22:59.
Last edited by Bunuel on 22 Sep 2014, 01:17, edited 1 time in total.
Last edited by Bunuel on 22 Sep 2014, 01:17, edited 1 time in total.
RENAMED THE TOPIC.
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
36% (01:36) correct
64%
(01:35)
wrong
based on 11
sessions
History
Date
Time
Result
Not Attempted Yet
Jack needs workers to clean his driveway for the current season. Each worker costs $4000/month. The current season has 5 months, and Jack is willing to hire 150 workers per season. What will be the cost per season incurred by Jack?
A $600K
B $120K
C $300K
D $200K
E $100K
Source - GMAT Book by Kaplan/Princeton (I forgot)
I am not sure how I can represent current wage -- is it $4000/month/person or $4000/person/month or $4000/(person * month). Here's why:
Case (i) Wage = $4000/month/person
150 people are hired in one season, and there are 5 months in one season.
Therefore #of months/person = 5 month/season * 1 season/150 person = 1 month / 30 person.
Therefore, total cost = $4000/(month/person) * 1 month / 30 person = $4000/30 (What will be the unit? I believe "$")
Case (ii) Wage = $4000/(month*person)
Therefore total cost =$4000/(month*person) * 5 months/ season * 150 people / season = $4000*5*150 / season = $3000K / season (what will be the unit? 1/season^2?)
Case (iii) Wage = $4000/person/month
Therefore total cost = $4000 / person / month * (150 person / season) * (1 season/month) = $120K (units = $/(month)^2?? or $/month?) I really confused. Therefore, total cost per season = $120K * 5 = $600K
I am not sure which case is correct/incorrect and why. I would appreciate any help.
Thanks
A $600K
B $120K
C $300K
D $200K
E $100K
OA isA
Source - GMAT Book by Kaplan/Princeton (I forgot)
I am not sure how I can represent current wage -- is it $4000/month/person or $4000/person/month or $4000/(person * month). Here's why:
Case (i) Wage = $4000/month/person
150 people are hired in one season, and there are 5 months in one season.
Therefore #of months/person = 5 month/season * 1 season/150 person = 1 month / 30 person.
Therefore, total cost = $4000/(month/person) * 1 month / 30 person = $4000/30 (What will be the unit? I believe "$")
Case (ii) Wage = $4000/(month*person)
Therefore total cost =$4000/(month*person) * 5 months/ season * 150 people / season = $4000*5*150 / season = $3000K / season (what will be the unit? 1/season^2?)
Case (iii) Wage = $4000/person/month
Therefore total cost = $4000 / person / month * (150 person / season) * (1 season/month) = $120K (units = $/(month)^2?? or $/month?) I really confused. Therefore, total cost per season = $120K * 5 = $600K
I am not sure which case is correct/incorrect and why. I would appreciate any help.
Thanks
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Problem Solving (PS) Forum
Still interested in this question? Check out the "Best Topics" block below for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
22 Sep 2014, 01:22
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voodoochild
There is something wrong with the question/numbers/options. So, I wouldn't worry about it.
22 Sep 2014, 21:47
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voodoochild
Responding to a pm:
As pointed out by Bunuel, ignore this question. To me "Jack is willing to hire 150 workers per season" means Jack hires 150 workers for all 5 months but apparently, that is not correct. We have no idea what the question setter wanted to say so ignore it.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Problem Solving (PS) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
