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m03 #25

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Manager
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Re: m03 #25 [#permalink]

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New post 14 Nov 2011, 23:00
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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New post 16 Nov 2011, 17:17
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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New post 02 Oct 2012, 05:10
Another victim, chose E
Guess our brains are trained that way :(

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New post 02 Oct 2012, 07:23
really somewhat tricky, but should not be among the hardest - just testing your attention to consider positive numbers only

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New post 15 Dec 2012, 19:24
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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New post 01 Oct 2013, 05:17
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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, 05:17

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