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# Of 30 applicants for a job, 14 had at least 4 years' experie

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Intern
Joined: 04 Jun 2008
Posts: 17
Location: Delhi, India
Of 30 applicants for a job, 14 had at least 4 years' experie  [#permalink]

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Updated on: 24 Sep 2013, 06:40
00:00

Difficulty:

5% (low)

Question Stats:

90% (01:05) correct 10% (00:36) wrong based on 122 sessions

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Of 30 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years' experience and a degree?

(A) 14
(B) 13
(C) 9
(D) 7
(E) 5

OPEN DISCUSSION OF THIS QUESTION IS HERE: of-30-applicants-for-a-job-14-had-at-least-4-years-144455.html

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-Albert
My GMAT Preparation: http://albertrahul.blogspot.com/search/label/GMAT

Originally posted by albertrahul on 07 Jul 2008, 02:59.
Last edited by Bunuel on 24 Sep 2013, 06:40, edited 1 time in total.
Renamed the topic, edited the question and added the OA.
Intern
Joined: 20 Jun 2008
Posts: 21
Re: OG 11 - PS Rational Numbers  [#permalink]

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07 Jul 2008, 03:10
Consider this:
------------------- with degree ------without degree
>>4 years of exp.---- 5 (18-13) ---------------------- :14

<<4 years of exp.-----13(16-3) --------------- 3 ----- :16(30-14)
----------------------18

albertrahul wrote:
Of 30 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years' experience and a degree.

(A) 14
(B) 13
(C) 9
(D) 7
(E) 5

Let's discuss.
Director
Joined: 27 May 2008
Posts: 505
Re: OG 11 - PS Rational Numbers  [#permalink]

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07 Jul 2008, 04:22
2
1
albertrahul wrote:
Of 30 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years' experience and a degree.

(A) 14
(B) 13
(C) 9
(D) 7
(E) 5

Let's discuss.

set A : people with more than 4 years exp
set B : people with degree

AUB = total - (less than 4 exp and no degree)
AUB = 30-3=27

AUB = A + B - AiB
AiB = 18+14-27
=5
Senior Manager
Joined: 18 Jun 2010
Posts: 263
Schools: Chicago Booth Class of 2013
Re: OG 11 - PS Rational Numbers  [#permalink]

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31 Aug 2010, 08:24
1
Manager
Joined: 17 Mar 2010
Posts: 138
Re: OG 11 - PS Rational Numbers  [#permalink]

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01 Sep 2010, 00:41
E
Take the tabulation method for this type of problem
Manager
Joined: 30 Aug 2010
Posts: 85
Location: Bangalore, India
Re: OG 11 - PS Rational Numbers  [#permalink]

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01 Sep 2010, 05:09
2
Please find the attached picture for the tablilar method slution
Attachments

table.JPG [ 21.41 KiB | Viewed 7749 times ]

Math Expert
Joined: 02 Sep 2009
Posts: 55802
Re: Of 30 applicants for a job, 14 had at least 4 years' experie  [#permalink]

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24 Sep 2013, 06:41
1
1
Of 30 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years' experience and a degree?
(A) 14
(B) 13
(C) 9
(D) 7
(E) 5

Probably the easiest way to solve would be to make a matrix:

Note: numbers in black are given and numbers in red are calculated.

OPEN DISCUSSION OF THIS QUESTION IS HERE: of-30-applicants-for-a-job-14-had-at-least-4-years-144455.html
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Non-Human User
Joined: 09 Sep 2013
Posts: 11438
Re: Of 30 applicants for a job, 14 had at least 4 years' experie  [#permalink]

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01 Sep 2018, 09:31
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).

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Re: Of 30 applicants for a job, 14 had at least 4 years' experie   [#permalink] 01 Sep 2018, 09:31
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