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Even/Odd and Parity Reasoning
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GMAT
GMAT.048 Even/Odd and Parity Reasoning
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Integers x, y, and z are claimed to satisfy x
2
+ y
2
+ z
2
even and x + y + z odd. Which answer best describes the situation?
A
Exactly one of x, y, and z is odd.
B
No such integers exist.
C
Exactly two of x, y, and z are odd.
D
All three of x, y, and z are odd.
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