It is currently 20 Sep 2017, 07:53

Close

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Close

Request Expert Reply

Confirm Cancel

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

Each employee of Company Z is an employee of either Division

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
Manager
Manager
avatar
Joined: 02 Jun 2008
Posts: 87

Kudos [?]: 12 [0], given: 0

Each employee of Company Z is an employee of either Division [#permalink]

Show Tags

New post 31 Aug 2008, 11:58
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 100% (01:52) wrong based on 3 sessions

HideShow timer Statistics

Each employee of Company Z is an employee of either Division X or Division Y, but not both. If each division has some part-time employees, is the ratio of the number of full-time employees to the number of part-time employees greater for Division X than for Company Z?

(1) The ratio of the number of full-time employees to the number of part-time employees is less for Division Y than for Company Z.

(2) More than half of the full-time employees of Company Z are employees of Division X, and more than half of the part-time employees of Company Z are employees of Division Y.

OPEN DISCUSSION OF THIS QUESTION IS HERE: https://gmatclub.com/forum/each-employe ... 83-20.html

Kudos [?]: 12 [0], given: 0

Director
Director
avatar
Joined: 23 Sep 2007
Posts: 782

Kudos [?]: 225 [0], given: 0

Re: Each employee of Company Z is an employee of either Division [#permalink]

Show Tags

New post 31 Aug 2008, 13:25
lionheart187 wrote:
Each employee of Company Z is an employee of either Division X or Division Y, but not both. If each division has some part-time employees, is the ratio of the number of full-time employees to the number of part-time employees greater for Division X than for Company Z?

(1) The ratio of the number of full-time employees to the number of part-time employees is less for Division Y than for Company Z.

(2) More than half of the full-time employees of Company Z are employees of Division X, and more than half of the part-time employees of Company Z are employees of Division Y.



D

each statement tells you that division Y has a larger percentage of part time employees than the company as a whole.

Kudos [?]: 225 [0], given: 0

Current Student
User avatar
Joined: 11 May 2008
Posts: 555

Kudos [?]: 215 [0], given: 0

Re: Each employee of Company Z is an employee of either Division [#permalink]

Show Tags

New post 31 Aug 2008, 18:33
interesting problem... i guess this should be one of decent difficulty..

pls mention how long it took you people to solve this...

Kudos [?]: 215 [0], given: 0

Manager
Manager
avatar
Joined: 02 Jun 2008
Posts: 87

Kudos [?]: 12 [0], given: 0

Re: Each employee of Company Z is an employee of either Division [#permalink]

Show Tags

New post 01 Sep 2008, 00:00
Please write out your explanation. Thanks.
gmatnub wrote:
lionheart187 wrote:
Each employee of Company Z is an employee of either Division X or Division Y, but not both. If each division has some part-time employees, is the ratio of the number of full-time employees to the number of part-time employees greater for Division X than for Company Z?

(1) The ratio of the number of full-time employees to the number of part-time employees is less for Division Y than for Company Z.

(2) More than half of the full-time employees of Company Z are employees of Division X, and more than half of the part-time employees of Company Z are employees of Division Y.



D

each statement tells you that division Y has a larger percentage of part time employees than the company as a whole.

Kudos [?]: 12 [0], given: 0

Manager
Manager
avatar
Joined: 15 Nov 2007
Posts: 135

Kudos [?]: 56 [0], given: 2

Re: Each employee of Company Z is an employee of either Division [#permalink]

Show Tags

New post 01 Sep 2008, 00:45
I did it with real numbers. I'd like to see a pro step in here.

Kudos [?]: 56 [0], given: 2

Manager
Manager
avatar
Joined: 15 Nov 2007
Posts: 135

Kudos [?]: 56 [0], given: 2

Re: Each employee of Company Z is an employee of either Division [#permalink]

Show Tags

New post 01 Sep 2008, 00:55
D

Overall: 100 employees in full time, 100 employees in part time

1:1

When you increase the number of part time applicants in the Y pool, you automatically decrease the number part time applicants in the X pool, thereby increasing the ratio of full time to part time in the x pool and decreasing the ratio of part time to full time in the x pool. The overall ratio remains "equal". This works with smaller/unequal quantities as well unless I've done it wrong.

Hope this helps.

Kudos [?]: 56 [0], given: 2

SVP
SVP
User avatar
Joined: 07 Nov 2007
Posts: 1795

Kudos [?]: 1032 [0], given: 5

Location: New York
Re: Each employee of Company Z is an employee of either Division [#permalink]

Show Tags

New post 01 Sep 2008, 01:54
lionheart187 wrote:
Each employee of Company Z is an employee of either Division X or Division Y, but not both. If each division has some part-time employees, is the ratio of the number of full-time employees to the number of part-time employees greater for Division X than for Company Z?

(1) The ratio of the number of full-time employees to the number of part-time employees is less for Division Y than for Company Z.

(2) More than half of the full-time employees of Company Z are employees of Division X, and more than half of the part-time employees of Company Z are employees of Division Y.



Question
is Fx/Px > (Fx+Fy)/(Px+Py)?

1) Fy/Py < (Fx+Fy)/(Px+Py)
--> means --> Py is more and Fy is less (because Py+Fy is constant)
When Py is more Px will be less and Fx will be more
so Fx/Px > (Fx+Fy)/(Px+Py)? Yes.
2) Py/(px+py)>1
same as above.
Yes.

D
_________________

Your attitude determines your altitude
Smiling wins more friends than frowning

Kudos [?]: 1032 [0], given: 5

Intern
Intern
avatar
Joined: 22 Jun 2010
Posts: 43

Kudos [?]: 146 [0], given: 1

Re: Each employee of Company Z is an employee of either Division [#permalink]

Show Tags

New post 12 Aug 2010, 13:49
I prepose this solution:

Let call Fx (full time devX)
Px (Part time devX)
st1

Fy/Py<Fz/Pz ===> since Px+Py=Pz (same think for F)

st1 ==> (Fz-Fx)/(Pz-Px)<Fz/Pz

==> FzPz - FxPz<FzPz-PxFz ==> cancell FzPz give the sol

ste 2

Fx>(1/2)FT
& devide them ==> give the solution
Px>(1/2)PT

Hope it i clear

Some body could tell as the rank of such a question ?

Kudos [?]: 146 [0], given: 1

Expert Post
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 41634

Kudos [?]: 124141 [0], given: 12072

Re: Each employee of Company Z is an employee of either Division [#permalink]

Show Tags

New post 14 Aug 2017, 03:12
lionheart187 wrote:
Each employee of Company Z is an employee of either Division X or Division Y, but not both. If each division has some part-time employees, is the ratio of the number of full-time employees to the number of part-time employees greater for Division X than for Company Z?

(1) The ratio of the number of full-time employees to the number of part-time employees is less for Division Y than for Company Z.

(2) More than half of the full-time employees of Company Z are employees of Division X, and more than half of the part-time employees of Company Z are employees of Division Y.


OPEN DISCUSSION OF THIS QUESTION IS HERE: https://gmatclub.com/forum/each-employe ... 83-20.html
_________________

New to the Math Forum?
Please read this: Ultimate GMAT Quantitative Megathread | All You Need for Quant | PLEASE READ AND FOLLOW: 12 Rules for Posting!!!

Resources:
GMAT Math Book | Triangles | Polygons | Coordinate Geometry | Factorials | Circles | Number Theory | Remainders; 8. Overlapping Sets | PDF of Math Book; 10. Remainders | GMAT Prep Software Analysis | SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) | Tricky questions from previous years.

Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


What are GMAT Club Tests?
Extra-hard Quant Tests with Brilliant Analytics

Kudos [?]: 124141 [0], given: 12072

Re: Each employee of Company Z is an employee of either Division   [#permalink] 14 Aug 2017, 03:12
Display posts from previous: Sort by

Each employee of Company Z is an employee of either Division

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.