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# Number Properties

Author Message
Manager
Joined: 03 Sep 2009
Posts: 75

Kudos [?]: 112 [0], given: 3

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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)

-Amit

Kudos [?]: 112 [0], given: 3

Intern
Joined: 07 Dec 2009
Posts: 4

Kudos [?]: [0], given: 1

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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)

Kudos [?]: [0], given: 1

Manager
Joined: 03 Sep 2009
Posts: 75

Kudos [?]: 112 [0], given: 3

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16 Jan 2010, 09:59

Kudos [?]: 112 [0], given: 3

Re: Number Properties   [#permalink] 16 Jan 2010, 09:59
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# Number Properties

Moderator: Bunuel

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