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# If a is an even integer and b is an odd integer, which of

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Manager
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If a is an even integer and b is an odd integer, which of [#permalink]  02 Apr 2008, 14:22
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If a is an even integer and b is an odd integer, which of the following cannot be an even integer?

ab
a/b
b/a
a^b
a^2b + 1
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Re: PS Even and Odd integer [#permalink]  02 Apr 2008, 18:33
is there something wrong with this question? I am getting C and E for the answers.
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Re: PS Even and Odd integer [#permalink]  14 Apr 2008, 15:54
Same here, are you sure it isn't a^(2b+1) for answer choice [E].

If so, [C] is the answer as stated above.
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Re: PS Even and Odd integer [#permalink]  15 Apr 2008, 18:27
young_gun wrote:
is there something wrong with this question? I am getting C and E for the answers.

I think C either can be or can not be. So C should eliminated

E can not be even!
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Re: PS Even and Odd integer [#permalink]  15 Apr 2008, 18:35
Odd number divided by even number cannot be even.
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Manager
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Re: PS Even and Odd integer [#permalink]  15 Apr 2008, 18:40
Sorry, to clarify...

even / odd = even
odd / odd = odd
even / even = odd or even
odd / even = non-integer

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Re: PS Even and Odd integer [#permalink]  16 Apr 2008, 21:25
can someone put an example where C cannot be the answer ? Last time I checked , odd/even will never be an integer.
Re: PS Even and Odd integer   [#permalink] 16 Apr 2008, 21:25
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# If a is an even integer and b is an odd integer, which of

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