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Learn how Kamakshi achieved a GMAT 675 with an impressive 96th %ile in Data Insights. Discover the unique methods and exam strategies that helped her excel in DI along with other sections for a balanced and high score.
metallicafan
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23 Nov 2011, 08:46
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N
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
(N/A)
Question Stats:
63% (00:51) correct
38%
(02:20)
wrong
based on 11
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Not Attempted Yet
I think that the OA is wrong in this question. What do you think?
Is the two-digit prime number \(p\) equal to 17 ?
(1) \(p^2\) is greater than 250
(2) \(p = n^2 + 1\), where n is an integer.
OE
Is the two-digit prime number \(p\) equal to 17 ?
(1) \(p^2\) is greater than 250
(2) \(p = n^2 + 1\), where n is an integer.
OE
The OA is B. The OE mentions that the only two-digit prime that is one larger than a square is 17. But, what about 37?
37 is a prime number, and \(37 = 6^2 +1\).
By the way, is there a faster way to solve this question than picking numbers?
37 is a prime number, and \(37 = 6^2 +1\).
By the way, is there a faster way to solve this question than picking numbers?
Archived Topic
Hi there,
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23 Nov 2011, 09:39
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You are correct.
(1) says that p > 15
(2) p can be 17 or 37 at the least
The answer is E.
(1) says that p > 15
(2) p can be 17 or 37 at the least
The answer is E.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Sufficiency (DS) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
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