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# PS..number line

Author Message
Current Student
Joined: 28 Dec 2004
Posts: 3292
Location: New York City
Schools: Wharton'11 HBS'12

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27 Mar 2009, 12:08
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 100% (00:00) wrong based on 1 sessions

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in the number line shown below...

---y----0-----1---------x---

if the distance between 1 and x is exactly the same as the distance between 1 and y...then in terms y, x equals?

1) Y+1
2) 1-y
3) y-1
4) 1+y
5) not possible

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Manager
Joined: 09 Nov 2008
Posts: 148

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27 Mar 2009, 14:08
This seems to be an easy problem, but I don't see it in any of the choices. Am I missing something or is the problem incorrect?

d=1-y=x-1
x=2-y

This works if you sub in numbers. For example:
y=-1 x=3 x=2-(-1)=3
y=-.5 x=2.5 x=2-(-.5)=2.5
SVP
Joined: 29 Aug 2007
Posts: 2426

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27 Mar 2009, 15:17
FN wrote:
in the number line shown below...

---y----0-----1---------x---

if the distance between 1 and x is exactly the same as the distance between 1 and y...then in terms y, x equals?

1) Y+1
2) 1-y
3) y-1
4) 1+y
5) not possible

E should be "none of the above" instead.

x - 1 = 1 - y
x = 2 - y, which is none of the above.
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Manager
Joined: 19 Aug 2006
Posts: 226

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27 Mar 2009, 19:56
I also think it's E.

Take some numbers instead of x and y, e.g. x=5 and y=-3: 5-1=|-3-1| => x-1=|y-1|
Only E somewhat applies.
Manager
Joined: 19 Aug 2006
Posts: 226

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29 Mar 2009, 16:54
FN wrote:
the OA is 1-y

What is the source of this problem?
SVP
Joined: 29 Aug 2007
Posts: 2426

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29 Mar 2009, 20:47
FN wrote:
the OA is 1-y

since (x - 1), not x, equals to (1-y), OA given is not correct.

for ex: if x = 3, y = -1
x = 1-y = 1-(-1) = 2 where as x is 3.

for ex: if x = 5, y = -3
x = 1-y = 1-(-3) = 4 where as x is 5. so x = 1-y is not true.

FN wrote:
in the number line shown below...

---y----0-----1---------x---

if the distance between 1 and x is exactly the same as the distance between 1 and y...then in terms y, x equals?

1) Y+1
2) 1-y
3) y-1
4) 1+y
5) not possible

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

_________________

Gmat: http://gmatclub.com/forum/everything-you-need-to-prepare-for-the-gmat-revised-77983.html

GT

Intern
Joined: 29 Dec 2006
Posts: 31

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17 Apr 2009, 19:12
if e is none of the above, then i agree with e. answer does not seem to be in a-d.
Director
Joined: 29 Aug 2005
Posts: 819

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09 Jun 2009, 08:28
FN wrote:
in the number line shown below...

---y----0-----1---------x---

if the distance between 1 and x is exactly the same as the distance between 1 and y...then in terms y, x equals?

1) Y+1
2) 1-y
3) y-1
4) 1+y
5) not possible

I think the stem is wrong. For B to be the OA, the question should be what is "x-1?"
Intern
Joined: 04 Mar 2008
Posts: 41

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09 Jun 2009, 10:15
if E is "None of Above", the answer is E definitely.
Manager
Joined: 28 Jan 2004
Posts: 199
Location: India

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10 Jun 2009, 21:07
The answer is none of the above.

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

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Re: PS..number line   [#permalink] 10 Jun 2009, 21:07
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