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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
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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
[Reveal] Spoiler: OA

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Last edited by Bunuel on 02 Dec 2014, 07:21, edited 1 time in total.
Edited the 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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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
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Re: What is the ratio of y to x? [#permalink] New post 04 Oct 2014, 22:10
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Re: What is the ratio of y to x? [#permalink] New post 02 Dec 2014, 06:10
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, 07:21
Expert's post
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
_________________

NEW TO MATH FORUM? PLEASE READ THIS: ALL YOU NEED FOR QUANT!!!

PLEASE READ AND FOLLOW: 11 Rules for Posting!!!

RESOURCES: [GMAT MATH BOOK]; 1. Triangles; 2. Polygons; 3. Coordinate Geometry; 4. Factorials; 5. Circles; 6. Number Theory; 7. Remainders; 8. Overlapping Sets; 9. PDF of Math Book; 10. Remainders; 11. GMAT Prep Software Analysis NEW!!!; 12. SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) NEW!!!; 12. Tricky questions from previous years. NEW!!!;

COLLECTION OF QUESTIONS:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS ; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


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Re: What is the ratio of y to x?   [#permalink] 02 Dec 2014, 07:21
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