What is the ratio of y to x?

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What is the ratio of y to x? [#permalink]

12 Nov 2012, 12:03

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Question Stats:

88% (01:06) correct

11% (00:22) wrong

based on 20 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]

12 Nov 2012, 12:08

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]

12 Nov 2012, 12:12

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]

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]

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

Re: What is the ratio of y to x? [#permalink] 16 May 2013, 11:10

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