Are positive integers P , Q , and R equal? 1) P = Q 2) Q^2 = : DS Archive
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# Are positive integers P , Q , and R equal? 1) P = Q 2) Q^2 =

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Manager
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Are positive integers P , Q , and R equal? 1) P = Q 2) Q^2 = [#permalink]

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14 Nov 2007, 14:47
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Are positive integers P , Q , and R equal?

1) P = Q
2) Q^2 = R^2
Manager
Joined: 08 Nov 2007
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14 Nov 2007, 14:54
yuefei wrote:
Are positive integers P , Q , and R equal?

1) P = Q
2) Q^2 = R^2

E

P = Q doesn't tell us about R,

Q^2 = R^2 doesnt mean that Q = R, Q = -R works too

Together as much as we know is that P = Q = R/-R
Manager
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14 Nov 2007, 15:00
OA is C.

This tests how carefully you read the question. The question tell us they are all "positive integers" P, Q, and R.
Manager
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14 Nov 2007, 15:05
yuefei wrote:
OA is C.

This tests how carefully you read the question. The question tell us they are all "positive integers" P, Q, and R.

hah ... yep ... got me! - it's a habit I need to foster.
Intern
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14 Nov 2007, 15:17
I got E at first too.

I alway make this mistake.

This is a GMAT trap for sure as we learn to pay special attention to an integer square that could have two solutions, we jump right into it and forgot the question.
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14 Nov 2007, 15:53
Yikes I had to catch myself on that one!

Yep C!
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14 Nov 2007, 18:24
wow, good questiion.

Picked E because I wasnt careful reading the question
14 Nov 2007, 18:24
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