What is the value of x ? : GMAT Data Sufficiency (DS)
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# What is the value of x ?

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Math Expert
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What is the value of x ? [#permalink]

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31 Dec 2013, 06:23
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Difficulty:

5% (low)

Question Stats:

94% (01:20) correct 6% (00:23) wrong based on 362 sessions

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The Official Guide For GMAT® Quantitative Review, 2ND Edition

What is the value of x ?

(1) x +1 = 2 - 3x
(2) 1/(2x) = 2

Data Sufficiency
Question: 15
Category: Arithmetic Percents
Page: 154
Difficulty: 500

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Re: What is the value of x ? [#permalink]

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31 Dec 2013, 06:23
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SOLUTION

What is the value of x ?

(1) x +1 = 2 - 3x --> 4x = 1 --> x = 1/4. Sufficient.

(2) 1/(2x) = 2 --> 4x = 1 --> x = 1/4. Sufficient.

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Re: What is the value of x ? [#permalink]

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31 Dec 2013, 20:25
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From Statement 1, x = 1/4
From Statment 2, x = 1/4.

Ans is (D).
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Re: What is the value of x ? [#permalink]

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02 Jan 2014, 00:00
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What is the value of x ?

(1) x +1 = 2 - 3x
(2) 1/(2x) = 2

Sol: We need to find value of x
From St 1, we have x+1=2-3x or 4x= 1 ---->x=1/4.....So B,C and E ruled out
From St 2, 1/(2x)=2 ------> x =1/4.

Ans D
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Re: What is the value of x ? [#permalink]

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02 Jan 2014, 03:32
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What is the value of x ?

(1) x +1 = 2 - 3x
(2) 1/(2x) = 2

Statement I is sufficient:

x + 1 = 2 - 3x

4x = 1

x = 1/4

Statement II is sufficient:

1/(2x) = 2
x = 1/4

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Re: What is the value of x ? [#permalink]

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04 Jan 2014, 01:12
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As both statements are sufficient
(1) x +1 = 2 - 3x
x = 1/4

(2)1/(2x) = 2
x = 1/4

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Re: What is the value of x ? [#permalink]

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05 Jan 2014, 10:56
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SOLUTION

What is the value of x ?

(1) x +1 = 2 - 3x --> 4x = 1 --> x = 1/4. Sufficient.

(2) 1/(2x) = 2 --> 4x = 1 --> x = 1/4. Sufficient.

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Re: What is the value of x ? [#permalink]

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10 Sep 2015, 23:24
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Re: What is the value of x ? [#permalink]

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10 Sep 2015, 23:25
Statement 1: after solving the expression , x = 1/4
Statment 2,solving the expression x = 1/4.

Re: What is the value of x ?   [#permalink] 10 Sep 2015, 23:25
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