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PS..number line

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Joined: 28 Dec 2004
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Schools: Wharton'11 HBS'12
PS..number line [#permalink]

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New post 27 Mar 2009, 12:08
00:00
A
B
C
D
E

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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Posts: 148
Re: PS..number line [#permalink]

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New post 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
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Re: PS..number line [#permalink]

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New post 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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Re: PS..number line [#permalink]

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New post 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.
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Re: PS..number line [#permalink]

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


What is the source of this problem?
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Re: PS..number line [#permalink]

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New post 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.

_________________

Verbal: http://gmatclub.com/forum/new-to-the-verbal-forum-please-read-this-first-77546.html
Math: http://gmatclub.com/forum/new-to-the-math-forum-please-read-this-first-77764.html
Gmat: http://gmatclub.com/forum/everything-you-need-to-prepare-for-the-gmat-revised-77983.html


GT

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Re: PS..number line [#permalink]

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New post 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
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Posts: 819
Re: PS..number line [#permalink]

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New post 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
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Posts: 41
Re: PS..number line [#permalink]

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New post 09 Jun 2009, 10:15
if E is "None of Above", the answer is E definitely.
Manager
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Joined: 28 Jan 2004
Posts: 199
Location: India
Re: PS..number line [#permalink]

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New post 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!

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