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OG DS -D28 (Diagnostic Test)

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lsilva
 Post subject: OG DS -D28 (Diagnostic Test)
 Post Posted: Tue Oct 16, 2007 8:31 am 
Hi,

I was checking the answers in the diagnostic test and i found a discrepancy between the book and my answers.

to be more specific they ask me about the perimeter of a Isosceles triangle and they gave me two of the 3 sides. The answer

must be C

Does the book has a mistake?

L.S
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StaceyKoprince
 Post subject:
 Post Posted: Mon Oct 22, 2007 8:21 pm 
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ManhattanGMAT Staff


Posts: 5789
Location: San Francisco
Please post the whole question and we'll let you know! But I can think of a way in which that wouldn't be enough info (though I don't know the details of this problem). If two of the sides are 8 and 10 and the triangle is isosceles - is the third side 8 or is the third side 10? I don't know.

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Stacey Koprince
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ManhattanGMAT
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