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# On a number line is x>y, is z between x and y? 1. x<0

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Intern
Joined: 05 Nov 2010
Posts: 32
Followers: 0

Kudos [?]: 17 [0], given: 0

On a number line is x>y, is z between x and y? 1. x<0 [#permalink]

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07 Nov 2010, 13:36
00:00

Difficulty:

(N/A)

Question Stats:

43% (02:44) correct 57% (01:37) wrong based on 7 sessions

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On a number line is x>y, is z between x and y?

1. x<0
2. y-x>z
Retired Moderator
Joined: 02 Sep 2010
Posts: 805
Location: London
Followers: 96

Kudos [?]: 777 [1] , given: 25

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07 Nov 2010, 16:47
1
KUDOS
Creeper300 wrote:
On a number line is x>y, is z between x and y?

1. x<0
2. y-x>z

(1) Says nothing about z : Insufficient

(2) y-x > z ... since y<x, all this says is taht z<0, we dont know if its between x & y : Insufficient

(1+2) x<0 .... y<x so y<0 .... and y-x>z which means z<0.
Say x=-3 & y=-6 ... If z=-5 then y-x>z and x<0 ... If z=-8 then y-x>z and x>0
Insufficient still

_________________
Re: x>y?   [#permalink] 07 Nov 2010, 16:47
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