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GMAT Prep / Number Properties

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by Blast » Tue Dec 02, 2008 4:39 pm
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Source: — Data Sufficiency |
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by jimmiejaz » Wed Dec 03, 2008 5:00 am
In this question,

from 1 we have

product of greatest and smallest no is positive.
so lets say numbers are -1,-2,-3
product is -1*-3 = 3 which is positive
but the product of all the numbers is negative
hence, we need the number of integers in the set. It can be even or odd.
insuff.

from 2 we have the number of integers as even, but we dont know if the numbers are positive or negative.
insuff.

combining we have the number of integers and also the product of greatest and smallest number.
hence C
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by aj5105 » Sun May 03, 2009 10:33 pm
Most important part is the text - greatest and the smallest
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