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In a hiring procedure, applicants should be recommended by three inter

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In a hiring procedure, applicants should be recommended by three inter  [#permalink]

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New post 03 Mar 2016, 17:27
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A
B
C
D
E

Difficulty:

  75% (hard)

Question Stats:

53% (02:05) correct 47% (02:09) wrong based on 64 sessions

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In a hiring procedure, applicants should be recommended by three interviewers. Of 30 applicants, 15 applicants were recommended by the first interviewer. 17 applicants were recommended by the second interviewer. 20 applicants were recommended by the third interviewer. What is the possible least number of the applicants recommended by all of the three interviewers?

A. 0
B. 2
C. 4
D. 5
E. 10


* A solution will be posted in two days.

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In a hiring procedure, applicants should be recommended by three inter  [#permalink]

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New post 05 Mar 2016, 07:27
1
MathRevolution wrote:
In a hiring procedure, applicants should be recommended by three interviewers. Of 30 applicants, 15 applicants were recommended by the first interviewer. 17 applicants were recommended by the second interviewer. 20 applicants were recommended by the third interviewer. What is the possible least number of the applicants recommended by all of the three interviewers?

A. 0
B. 2
C. 4
D. 5
E. 10


* A solution will be posted in two days.


Please find the solution in the image attached
Attachments

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www.GMATinsight.com.jpg [ 77.13 KiB | Viewed 1002 times ]


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Re: In a hiring procedure, applicants should be recommended by three inter  [#permalink]

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New post 06 Mar 2016, 02:47
In a hiring procedure, applicants should be recommended by three interviewers. Of 30 applicants, 15 applicants were recommended by the first interviewer. 17 applicants were recommended by the second interviewer. 20 applicants were recommended by the third interviewer. What is the possible least number of the applicants recommended by all of the three interviewers?

A. 0
B. 2
C. 4
D. 5
E. 10

Attachment:
SET.jpg
SET.jpg [ 7.15 KiB | Viewed 991 times ]

->The above picture is possible. 20 applicant by the third interviewer avoid intersection and can be divided by each 10 for the first interviewer and the other 10 for the second interviewer respectively. Hence, 3 intersections is at least 0, which makes A the answer.
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Re: In a hiring procedure, applicants should be recommended by three inter  [#permalink]

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New post 21 Feb 2018, 06:29
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: In a hiring procedure, applicants should be recommended by three inter &nbs [#permalink] 21 Feb 2018, 06:29
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