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# What is the answer? Help needed.

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Intern
Joined: 20 Nov 2017
Posts: 4

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20 Nov 2017, 22:31
There are total 150 students in a class, the number of students who sat in for exam A, exam B and exam C are 50, 40 and 47 respectively. 15 of them sat in for both Exam A and B, 14 for B and C, 13 for A and C. And only 5 students sat in for all the three exams.
Question: How many students took neither of the three exams?

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Math Expert
Joined: 02 Sep 2009
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20 Nov 2017, 22:44
tsyourjohn wrote:
There are total 150 students in a class, the number of students who sat in for exam A, exam B and exam C are 50, 40 and 47 respectively. 15 of them sat in for both Exam A and B, 14 for B and C, 13 for A and C. And only 5 students sat in for all the three exams.
Question: How many students took neither of the three exams?

Sent from my iPhone using GMAT Club Forum mobile app

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

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Re: What is the answer? Help needed. &nbs [#permalink] 20 Nov 2017, 22:44
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