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# if denotes the greatest integer les than or equal to x, is =

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SVP
Joined: 05 Jul 2006
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if denotes the greatest integer les than or equal to x, is = [#permalink]

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10 Aug 2009, 11:04
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(N/A)

Question Stats:

72% (01:43) correct 28% (00:43) wrong based on 48 sessions

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if [x] denotes the greatest integer les than or equal to x, is [x] = 0?

1. 5x+1=3+2x
2. 0<x<1
Manager
Joined: 10 Jul 2009
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Kudos [?]: 106 [0], given: 8

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10 Aug 2009, 11:10
1) 5x + 1 = 3 + 2x
3x = 2
x = 2/3
so [x] = 0

2) 0 < x < 1
so [x] = 0

Each of the above statements are individually sufficient to answer. So answer is D
Intern
Joined: 30 Jan 2011
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11 Jul 2011, 16:48
Statement 1: x=2/3 --> [x] = 0 ==> SUFF.
Statement 2: 0<x<1 --> [x] = 0 ==> SUFF.

Manager
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Kudos [?]: 30 [0], given: 183

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13 Jul 2011, 05:55
Someone please expain the question ..did not really understand the question...
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14 Jul 2011, 05:20
was expecting it to be trickier. It would have been more tricky for any value of x<0.

Ans D. 00:43 sec.
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Manager
Joined: 28 May 2011
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Kudos [?]: 65 [0], given: 7

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16 Jul 2011, 10:41
The only substance lies in this question is to rephrase
[x] = 0
into
x<0

& you have the answer & that is 'D'
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Re: Algebra   [#permalink] 16 Jul 2011, 10:41
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