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Number Systems -Odds & Evens

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Number Systems -Odds & Evens

by sukhman » Wed Oct 16, 2013 9:46 am
If a , b, and c are integers and ab^2 / c is a positive even integer, which of the following must be true? I. ab is even II. ab > 0 III. c is even

I only II only I and II I and III I, II, and III
Last edited by sukhman on Wed Oct 16, 2013 10:57 pm, edited 1 time in total.
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by Brent@GMATPrepNow » Wed Oct 16, 2013 11:40 am
sukhman wrote:If a , b, and c are integers and ab2 / c is a positive even integer, which of the following must be true? I. ab is even II. ab > 0 III. c is even

I only II only I and II I and III I, II, and III
I think you need to take some time to carefully review your posts to ensure that they don't contain confusing information and/or answer choices.
I get the impression that you're simply copying and pasting questions without taking a moment to see if they result in meaningful/unambiguous questions.

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