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Odds, Evens, Positives and Negatives

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Odds, Evens, Positives and Negatives

by gmattesttaker2 » Sun Sep 09, 2012 12:25 am
Hello,

This is from MGMAT Guide 5, P. 41. Can you please assist here? Thanks for your help - Sri


1) If x divided by y yields an odd integer, what is x?

Answer choices:
ODD
EVEN
CANNOT BE DETERMINED

Answer:
CANNOT BE DETERMINED

I was thinking that x should be ODD.
x = 15, y = 3. x/y = 5 (x is odd)
x = 21, y = 7. x/y = 3 (x is odd)
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by neelgandham » Sun Sep 09, 2012 1:21 am
Sri - why did you not plug even integers for x ?

If x = 12 and y = 4 then x/y = 3(odd) and x is even
If x = 9 and y = 3 then x/y = 3(odd) BUT x is odd.

Clear ?
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