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What is the ratio of y to x?

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What is the ratio of y to x? [#permalink] New post 12 Nov 2012, 11:03
00:00
A
B
C
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Difficulty:

  15% (low)

Question Stats:

94% (01:10) correct 5% (00:31) wrong based on 87 sessions
What is the ratio of y to x?

(1) y = 3x

(2) x = 11


---

Hi,

I think the OA is wrong here. If x=y=0, then the ratio is undefined (or at least not 1:3). Am I missing something?

Best regards
[Reveal] Spoiler: OA

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Re: What is the ratio of y to x? [#permalink] New post 12 Nov 2012, 11:08
Expert's post
SirGMAT wrote:
What is the ratio of y to x?

(1) y = 3x

(2) x = 11


---

Hi,

I think the OA is wrong here. If x=y=0, then the ratio is undefined (or at least not 1:3). Am I missing something?

Best regards


You are absolutely right, it should be mentioned in the stem that x is a non-zero number in order the answer to be A.
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Intern
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Joined: 07 Aug 2012
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Kudos [?]: 0 [0], given: 18

Re: What is the ratio of y to x? [#permalink] New post 12 Nov 2012, 11:12
Bunuel wrote:
You are absolutely right, it should be mentioned in the stem that x is a non-zero number in order the answer to be A.

Thanks for your quick answer! Tedious that such well-established GMAT material providers make mistakes....
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Re: What is the ratio of y to x? [#permalink] New post 12 Nov 2012, 11:42
Expert's post
SirGMAT wrote:
Bunuel wrote:
You are absolutely right, it should be mentioned in the stem that x is a non-zero number in order the answer to be A.

Thanks for your quick answer! Tedious that such well-established GMAT material providers make mistakes....


well an error can accour, on one hand

On the other hand, Official questions are official questions for best practice
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Re: What is the ratio of y to x? [#permalink] New post 16 May 2013, 10:10
SirGMAT wrote:
What is the ratio of y to x?

(1) y = 3x

(2) x = 11




---

Hi,

I think the OA is wrong here. If x=y=0, then the ratio is undefined (or at least not 1:3). Am I missing something?

Best regards




even mentioned or not just look for traps,
o, 1, -1 and region btw -1 and 1
for all data sufficiency questions

u r correct, if x=y= 0 then ur correct if not its c
Re: What is the ratio of y to x?   [#permalink] 16 May 2013, 10:10
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