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What is the ratio of y to x?

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SirGMAT
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What is the ratio of y to x? [#permalink] New post   Updated on: 02 Dec 2014, 08:21
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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

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Official Answer
C

Originally posted by SirGMAT on 12 Nov 2012, 12:03.
Last edited by Bunuel on 02 Dec 2014, 08:21, edited 1 time in total.
Edited the OA.
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Bunuel
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Re: What is the ratio of y to x? [#permalink] New post   12 Nov 2012, 12:08
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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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Re: What is the ratio of y to x? [#permalink] New post   12 Nov 2012, 12:12
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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, 12:42
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, 11:10
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
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Re: What is the ratio of y to x? [#permalink] New post   02 Dec 2014, 07:10
Concept is Ratio
y : x or y/x =?
1, y/x = 3/1
2, No
So A

But what is all about this x=y=0 and data missing??
I am missing any concept??
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Re: What is the ratio of y to x? [#permalink] New post   02 Dec 2014, 08:21
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kanusha wrote:
Concept is Ratio
y : x or y/x =?
1, y/x = 3/1
2, No
So A

But what is all about this x=y=0 and data missing??
I am missing any concept??


Please read the whole thread: what-is-the-ratio-of-y-to-x-142313.html#p1142721

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Re: What is the ratio of y to x? [#permalink]
02 Dec 2014, 08:21
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