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What is the value of positive two-digit integer x?

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What is the value of positive two-digit integer x? [#permalink]

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What is the value of positive two-digit integer x?

(1) The sum of the two digits is 5.
(2) x is prime.
[Reveal] Spoiler: OA
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Magoosh GMAT Instructor
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What is the value of positive two-digit integer x? [#permalink]

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New post 28 Feb 2017, 11:32
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vikasp99 wrote:
What is the value of positive two-digit integer x?

(1) The sum of the two digits is 5.
(2) x is prime.

Dear vikasp99,

This is a great question! I'm happy to respond.

Statement #1: The sum of the two digits is 5.
Either x = 14 or x = 32 would work. More than one possibility for x, so a definitive answer has not been determined. This statement, alone and by itself, is not sufficient.

Statement #2: x is prime.
Either x = 13 or x = 47 would work. More than one possibility for x, so a definitive answer has not been determined. This statement, alone and by itself, is not sufficient.

Combined statements
Either x = 23 or x = 41 would work. More than one possibility for x, so a definitive answer has not been determined. Both statements together are not sufficient.

OA = (E)

Does all this make sense?
Mike :-)
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Mike McGarry
Magoosh Test Prep

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What is the value of positive two-digit integer x?   [#permalink] 28 Feb 2017, 11:32
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