Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 24 May 2017, 15:31

### 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

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

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# Working alone, Printers X, Y, and Z can do a certain printin

Author Message
TAGS:

### Hide Tags

Director
Joined: 07 Jun 2006
Posts: 513
Followers: 11

Kudos [?]: 130 [0], given: 0

Working alone, Printers X, Y, and Z can do a certain printin [#permalink]

### Show Tags

25 Jun 2006, 15:10
2
This post was
BOOKMARKED
00:00

Difficulty:

55% (hard)

Question Stats:

61% (02:39) correct 39% (01:47) wrong based on 171 sessions

### HideShow timer Statistics

Working alone, Printers X, Y, and Z can do a certain printing job, consisting of a large number of pages, in 12, 15, and 18 hours, respectively. What is the ratio of the time it takes Printer X to do the job, working alone at its rate, to the time it takes Printers Y and Z to do the job, working together at their individual rates?

(A) 4/11
(B) 1/2
(C) 15/22
(D) 22/15
(E) 11/4

OPEN DISCUSSION OF THIS QUESTION IS HERE: working-alone-printers-x-y-and-z-can-do-a-certain-printin-168358.html
[Reveal] Spoiler: OA

Last edited by Bunuel on 06 Mar 2014, 00:20, edited 2 times in total.
Renamed the topic, edited the question and added the OA.
SVP
Status: The Best Or Nothing
Joined: 27 Dec 2012
Posts: 1857
Location: India
Concentration: General Management, Technology
WE: Information Technology (Computer Software)
Followers: 51

Kudos [?]: 2168 [1] , given: 193

Re: Working alone, printers P1, P2, and P3 can do a certain [#permalink]

### Show Tags

05 Mar 2014, 20:42
1
KUDOS

1/12 : (1/15 + 1/18)

1/12 : 11/90

= 15/22
_________________

Kindly press "+1 Kudos" to appreciate

Director
Joined: 16 Aug 2005
Posts: 940
Location: France
Followers: 1

Kudos [?]: 23 [0], given: 0

Re: PS problem - work/rate [#permalink]

### Show Tags

25 Jun 2006, 15:15
necromonger wrote:
Working alone, printers P1, P2, and P3 can do a certain printing job, consisting of a large number of pages, in 12, 15, and 18 hours, respectively. What is the ratio of the time it takes printer P1 to do the job, working alone at its rate, to the time it takes printers P2 and P3 to do the job, working together at their individual rates?

A) 33/12
B) 1/3
C) 15/22
D) 22/15
E)11/4

P1 takes 12 hrs

Rate for P2 & P3 together = 1/15 + 1/18 = 11/90
Therefore they take 90/11

Ratio = 22/15 = D
_________________

I believe its yogurt!

Math Expert
Joined: 02 Sep 2009
Posts: 38858
Followers: 7727

Kudos [?]: 106044 [0], given: 11607

Re: Working alone, Printers X, Y, and Z can do a certain printin [#permalink]

### Show Tags

06 Mar 2014, 00:20
OPEN DISCUSSION OF THIS QUESTION IS HERE: working-alone-printers-x-y-and-z-can-do-a-certain-printin-168358.html
_________________
Re: Working alone, Printers X, Y, and Z can do a certain printin   [#permalink] 06 Mar 2014, 00:20
Similar topics Replies Last post
Similar
Topics:
1 Dan can do a job alone in 15 hours. Fred, working alone, can do the sa 5 15 May 2016, 14:25
1 Working alone, machine X can manufacture 1,000 nails in 12 hours. Work 4 29 Dec 2015, 11:12
3 A person x working alone can complete a work in 10 days. A person Y .. 3 27 Jun 2015, 01:53
30 Working alone, Printers X, Y, and Z can do a certain printin 15 11 May 2016, 10:17
11 While working alone at their constant rates computer X can process 240 12 29 Jun 2016, 11:03
Display posts from previous: Sort by