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Even and Odd Number Behavior
Grade Level
GMAT
Q.026 Even and Odd Number Behavior
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Integers a and b satisfy a + b is odd. What must be true about a
2
+ b
2
?
A
a
2
+ b
2
is even.
B
a
2
+ b
2
is always divisible by 4.
C
a
2
+ b
2
has the same parity as ab.
D
The parity depends on which integer is larger.
E
a
2
+ b
2
is odd.
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