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Simple but unclear. (OA to follow)

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Simple but unclear. (OA to follow) [#permalink] New post 30 Aug 2011, 14:16
Is the product of A and B equal to 1?

1. A*B*A = A
2. B*A*B = B

Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient

I missed the question, even though it looks straight forward. Official explaination to follow.
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Re: Simple but unclear. (OA to follow) [#permalink] New post 31 Aug 2011, 04:03
knockinghard wrote:
Is the product of A and B equal to 1?

1. A*B*A = A
2. B*A*B = B

Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient

I missed the question, even though it looks straight forward. Official explaination to follow.


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Re: Simple but unclear. (OA to follow)   [#permalink] 31 Aug 2011, 04:03
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Simple but unclear. (OA to follow)

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