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M3#25

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Manager
Manager
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Joined: 28 Jun 2009
Posts: 52
Location: Moscow Russia
Schools: -=! LBS (int) !=- HEC (admitted) INSEAD (int)
Followers: 7

Kudos [?]: 14 [0], given: 16

M3#25 [#permalink]

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New post 09 Oct 2009, 02:09
Here is the Q
Are positive integers p , q , and r equal?

1. p=q
2. q^2=R^2
(C) 2008 GMAT Club - m03#25

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
Statement (1) by itself is insufficient. We know nothing about .

Statement (2) by itself is insufficient. It tells us nothing about .

Statements (1) and (2) combined are sufficient. Combining both statements and considering that and are positive integers, we can prove that .

The correct answer is C.


Why is it C?

as it could be that p=q 2=2 and q^2 = R^2 where R could be +-q

Help please
CIO
CIO
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Joined: 02 Oct 2007
Posts: 1218
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Kudos [?]: 905 [0], given: 334

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Re: M3#25 [#permalink]

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New post 09 Oct 2009, 02:30
All of the integers are positive. That is stated in the stem.

Before you ask another question, please make sure that it was not discussed earlier. Look through this thread for questions that have already been discussed:
gmat-club-tests-master-threads-all-tests-78599.html

Thank you for cooperation :).
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Manager
Manager
User avatar
Joined: 28 Jun 2009
Posts: 52
Location: Moscow Russia
Schools: -=! LBS (int) !=- HEC (admitted) INSEAD (int)
Followers: 7

Kudos [?]: 14 [0], given: 16

Re: M3#25 [#permalink]

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New post 09 Oct 2009, 02:53
dzyubam wrote:
All of the integers are positive. That is stated in the stem.

Before you ask another question, please make sure that it was not discussed earlier. Look through this thread for questions that have already been discussed:
gmat-club-tests-master-threads-all-tests-78599.html

Thank you for cooperation :).




Thank you!!!

I really need to improve my attention!!!

Arturs
Re: M3#25   [#permalink] 09 Oct 2009, 02:53
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M3#25

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