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Number Properties

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Manager
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Number Properties [#permalink] New post 16 Jan 2010, 03:03
Hi,
Can anybody help me in the below question;
Which of the following represents the range for all X which satisfy |1-X|<1?
a) (-1,1)
b) (-1,2)
c) (0,1)
d) (0,2)
e) (1,2)

Thanks in advance
-Amit
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Re: Number Properties [#permalink] New post 16 Jan 2010, 04:24
|1-x| is equal to +(1-x) and -(1-x)=x-1

there fore
|1-x|<1 is equal to

1-x<1 => x>0
x-1<1 => x<2

Hence range is (0,2) 8-)
Manager
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Joined: 03 Sep 2009
Posts: 80
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Re: Number Properties [#permalink] New post 16 Jan 2010, 09:59
Thanks for your help..
Re: Number Properties   [#permalink] 16 Jan 2010, 09:59
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