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m03 #25

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Re: m03 #25 [#permalink] New post 14 Nov 2011, 22:00
C. Should that really be categorized under hardest problems? It tests your ability to pay attention to the prompt more than anything.
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Re: m03 #25 [#permalink] New post 16 Nov 2011, 16:17
u0422811 wrote:
C. Should that really be categorized under hardest problems? It tests your ability to pay attention to the prompt more than anything.


I think it's the prompt and the putting A and B together, but I wouldn't rate this more than a 600-700 problem.
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Re: m03 #25 [#permalink] New post 02 Oct 2012, 04:10
Another victim, chose E
Guess our brains are trained that way :(
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Re: m03 #25 [#permalink] New post 02 Oct 2012, 06:23
really somewhat tricky, but should not be among the hardest - just testing your attention to consider positive numbers only
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Re: m03 #25 [#permalink] New post 15 Dec 2012, 18:24
I almost went for E because the second option gets to q=r and q=-r, but question stem says it is positive integers and hence ruled out q=-r.
Good one!
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Re: m03 #25 [#permalink] New post 01 Oct 2013, 04:17
Expert's post
BELOW IS REVISED VERSION OF THIS QUESTION:

Are positive numbers p, q, and r equal?

(1) p = q
(2) q^2 = r^2

(1) p = q. Not sufficient, since no info about r
(2) q^2 = r^2 --> since given that p and q are positive numbers then q=r. Not sufficient since no info about p.

(1)+(2) As p = q and q=r then p=q=r. Sufficient.

Answer: C.
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Re: m03 #25   [#permalink] 01 Oct 2013, 04:17
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