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# If a and b are positive integers such that a b and are

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Manager
Joined: 08 Apr 2004
Posts: 131

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Location: Corea
If a and b are positive integers such that a b and are [#permalink]

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05 Sep 2004, 07:08
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If a and b are positive integers such that a â€“ b and are both even integers, which of the following must be an odd integer?

A. a/2
B. b/2
C. (a+b)/2
D. (a+2)/2
E. (b+2)/2

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Director
Joined: 20 Jul 2004
Posts: 590

Kudos [?]: 156 [0], given: 0

Re: PS: Which one is odd [#permalink]

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05 Sep 2004, 09:37
marine wrote:
If a and b are positive integers such that a â€“ b and a + b are both even integers, which of the following must be an odd integer?

I guess there is a missing part in the question. If it is (a-b), then the ans is (C). (a+b)/2
For that matter, itis the only odd-man-out.

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Re: PS: Which one is odd   [#permalink] 05 Sep 2004, 09:37
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