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The number 2 - 0.5 is how many times the number 1 - 0.5?

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The number 2 - 0.5 is how many times the number 1 - 0.5?  [#permalink]

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New post 26 Dec 2013, 08:47
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

96% (00:23) correct 4% (00:51) wrong based on 924 sessions

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

The number 2 - 0.5 is how many times the number 1 - 0.5?

(A) 2
(B) 2.5
(C) 3
(D) 3.5
(E) 4

Problem Solving
Question: 6
Category: Arithmetic Operations on rational numbers
Page: 62
Difficulty: 500


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Re: The number 2 - 0.5 is how many times the number 1 - 0.5?  [#permalink]

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New post 26 Dec 2013, 08:52
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Joined: 21 Mar 2011
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Re: The number 2 - 0.5 is how many times the number 1 - 0.5?  [#permalink]

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New post 26 Dec 2013, 21:26
1
Solution:

Let the multiplier be x.
2-0.5 = x(1-0.5)
1.5 = 0.5x
=> x = 3

Ans is (C)

This seems like a sub-500 question.
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Re: The number 2 - 0.5 is how many times the number 1 - 0.5?  [#permalink]

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New post 27 Dec 2013, 08:01
1
2 - 0.5 = 1.5 and 1-0.5 = 0.5 which is 1/3 of 1.5 so answer C.

Why does it seem like very few actually respond to the OG Quant review questions, in relation to the usual OG's?
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Re: The number 2 - 0.5 is how many times the number 1 - 0.5?  [#permalink]

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New post 06 Sep 2018, 09:28
\(1.5=x0.5\)
we have to find x
\(x=\frac{1.5}{0.5}\)
\(x=\frac{15}{5}\)
\(x=3\)

Answer C
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Re: The number 2 - 0.5 is how many times the number 1 - 0.5? &nbs [#permalink] 06 Sep 2018, 09:28
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