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Is the answer correct, this is the question from OG. Why can’t the ans

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Is the answer correct, this is the question from OG. Why can’t the ans  [#permalink]

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New post 19 Jul 2018, 20:16
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Re: Is the answer correct, this is the question from OG. Why can’t the ans  [#permalink]

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New post 19 Jul 2018, 20:18
The reason I am asking this question is ab and ba are clearly two different possibilities


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Re: Is the answer correct, this is the question from OG. Why can’t the ans  [#permalink]

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New post 19 Jul 2018, 20:21
givinggmat wrote:
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1. This question is discussed here: https://gmatclub.com/forum/a-researcher ... 34584.html Hope it helps.
2. All OG questions are correct.
3. Please follow the rules when posting a question. Thank you.
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Re: Is the answer correct, this is the question from OG. Why can’t the ans &nbs [#permalink] 19 Jul 2018, 20:21
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