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Inequality

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by heshamelaziry » Tue Oct 06, 2009 6:08 pm
If (x) denotes the greatest integer less than or equal to x, is (x) = 0 ?

(1) 5x + 1 = 3+2x
(2) 0 < x < 1

PLease help me understand this :(
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Source: — Data Sufficiency |
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Re: Inequality

by umaa » Tue Oct 06, 2009 7:01 pm
heshamelaziry wrote:If (x) denotes the greatest integer less than or equal to x, is (x) = 0 ?

(1) 5x + 1 = 3+2x
(2) 0 < x < 1

PLease help me understand this :(
IMO D.

If you don't know about the greatest integer function, check the below link.

https://cnx.org/content/m15299/latest/

OA?
What we think, we become
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by crackgmat007 » Tue Oct 06, 2009 9:41 pm
rephrase - x must be between 0 & 1 to answer the question.

D
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by heshamelaziry » Wed Oct 07, 2009 7:54 am
crackgmat007 wrote:rephrase - x must be between 0 & 1 to answer the question.

D
If you can bear with me, tell me how you concluded this rephrase to be 0 < x < 1 ????
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