GMAT Question of the Day - Daily to your Mailbox; hard ones only

It is currently 15 Oct 2019, 22:53

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

In the county of Veenapaniville, there are a total of 50

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Find Similar Topics 
Magoosh GMAT Instructor
User avatar
G
Joined: 28 Dec 2011
Posts: 4473
In the county of Veenapaniville, there are a total of 50  [#permalink]

Show Tags

New post 27 Aug 2012, 22:07
4
9
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

83% (02:16) correct 17% (02:28) wrong based on 210 sessions

HideShow timer Statistics

In the county of Veenapaniville, there are a total of 50 high schools, of three kinds: 25 public schools, 16 parochial schools, and 9 private independent schools. These 50 schools are divided between three districts: A, B, and C. District A has 18 high schools total. District B has 17 high schools total, and only two of those are private independent schools. If District C has an equal number of each of the three kinds of schools, how many private independent schools are there in District A?

A. 2
B. 3
C. 4
D. 5
E. 6

For full solution, see this blog.

_________________
Mike McGarry
Magoosh Test Prep


Education is not the filling of a pail, but the lighting of a fire. — William Butler Yeats (1865 – 1939)
Intern
Intern
avatar
Joined: 28 Aug 2012
Posts: 4
Re: three types of schools in three districts  [#permalink]

Show Tags

New post 28 Aug 2012, 00:54
1
Answer is A

District A has 18 high schools total. District B has 17 high schools total (2 Private Independent School). So, total is 35 Schools

Therefore, District C Has 15 Schools and District C has an equal number of each of the three kinds of schools So, 5 Schools of each kind.

Hence, 2 Private Independent School in District B and 5 Private Independent School in District B = 7 Private Independent School

Total Private Independent School is 9.

Private Independent School is District A is 9-7 = 2
Manager
Manager
avatar
Joined: 27 May 2010
Posts: 159
Re: In the county of Veenapaniville, there are a total of 50  [#permalink]

Show Tags

New post 29 Aug 2012, 23:03
1
Total Private Schools = 9

Dist A: High Schools = 18 ==> Private Schools = ?
Dist B: High Schools = 17 ==> Private Schools = 2
Dist C: High Schools = 15 ==> Private Schools = 5

Therefore, 9 - 2 - 5 ==> 2

A is the Answer. Fairly easy question.
Manager
Manager
avatar
Status: exam is close ... dont know if i ll hit that number
Joined: 06 Jun 2011
Posts: 127
Location: India
Concentration: International Business, Marketing
GMAT Date: 10-09-2012
GPA: 3.2
Re: In the county of Veenapaniville, there are a total of 50  [#permalink]

Show Tags

New post 30 Aug 2012, 20:37
can double matrix be employed here to solve the problem
though i have seen it save time on problems i a not sure where exactly doed it work

please suggest me if its possible
_________________
just one more month for exam...
Veritas Prep GMAT Instructor
User avatar
V
Joined: 16 Oct 2010
Posts: 9701
Location: Pune, India
Re: In the county of Veenapaniville, there are a total of 50  [#permalink]

Show Tags

New post 30 Aug 2012, 22:23
mohan514 wrote:
can double matrix be employed here to solve the problem
though i have seen it save time on problems i a not sure where exactly doed it work

please suggest me if its possible


You can certainly use double matrix in this question though I doubt its time saving ability in this question.
Make something like this:

......................A...........B...........C.........Total
Public
Parochial
Private
............................................................50

Now put the numbers in.

That said, the question is quite straight forward. All you need to do is focus on what you need. You need to find the number of private schools in A. Total no. of private schools is 9 and in B, you have 2 of them. So there are 7 private schools distributed between A and C. All you need to find is the number of private schools in C to get the number of private schools in A. What is given to you about C? C has an equal number of each of the three kinds of schools. Total number of schools in C = 50 - (18 + 17) = 15. So no. of private schools in C = 15/3 = 5
Therefore, A must have 7 - 5 = 2 private schools.
_________________
Karishma
Veritas Prep GMAT Instructor

Learn more about how Veritas Prep can help you achieve a great GMAT score by checking out their GMAT Prep Options >
Director
Director
avatar
Joined: 03 Aug 2012
Posts: 661
Concentration: General Management, General Management
GMAT 1: 630 Q47 V29
GMAT 2: 680 Q50 V32
GPA: 3.7
WE: Information Technology (Investment Banking)
Re: In the county of Veenapaniville, there are a total of 50  [#permalink]

Show Tags

New post 18 Aug 2013, 08:42
1
Solution Attached !!!
Attachments

SOLU.JPG
SOLU.JPG [ 20.39 KiB | Viewed 4033 times ]

Senior Manager
Senior Manager
avatar
Joined: 10 Jul 2013
Posts: 289
Re: In the county of Veenapaniville, there are a total of 50  [#permalink]

Show Tags

New post 18 Aug 2013, 13:05
mikemcgarry wrote:
In the county of Veenapaniville, there are a total of 50 high schools, of three kinds: 25 public schools, 16 parochial schools, and 9 private independent schools. These 50 schools are divided between three districts: A, B, and C. District A has 18 high schools total. District B has 17 high schools total, and only two of those are private independent schools. If District C has an equal number of each of the three kinds of schools, how many private independent schools are there in District A?

A. 2
B. 3
C. 4
D. 5
E. 6

For full solution, see this blog.


A( 18) B(15+2) C (15= 5+5+5)

9-7 = 2 independent high school in A
_________________
Asif vai.....
Current Student
avatar
G
Joined: 18 Jan 2017
Posts: 82
Location: India
Concentration: Finance, Economics
GMAT 1: 700 Q50 V34
GMAT ToolKit User
Re: Alternative Approach apart from Double Matrix  [#permalink]

Show Tags

New post 16 Jul 2017, 00:42
1
1
While the double matrix method does provide a more structured answer to ensure you don't miss out on important information. With practice you will realize you don't need all that data if you focus on what the stem is specifically asking for.

In this Q, we need to find the "how many private independent schools are there in District A". So isolate all the data related to that type of school.

We get the following statements on doing that:-

1) There are 9 private independent schools
2) District B has 17 high schools total, and only two of those are private independent schools
3) District C has an equal number of each of the three kinds of schools i.e of the total of 15 schools in District C, 5 are private independent schools

Thus the no of private independent schools in District A= Total no of private independent schools- private independent schools in B and C
= 9- 2-5 = 2

Hope that helps!
Non-Human User
User avatar
Joined: 09 Sep 2013
Posts: 13161
Re: Alternative Approach apart from Double Matrix  [#permalink]

Show Tags

New post 16 Jul 2019, 07:25
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________
GMAT Club Bot
Re: Alternative Approach apart from Double Matrix   [#permalink] 16 Jul 2019, 07:25
Display posts from previous: Sort by

In the county of Veenapaniville, there are a total of 50

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





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