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

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Math Expert
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Joined: 02 Sep 2009
Posts: 60647
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:

95% (00:23) correct 5% (00:46) wrong based on 872 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


GMAT Club is introducing a new project: The Official Guide For GMAT® Quantitative Review, 2ND Edition - Quantitative Questions Project

Each week we'll be posting several questions from The Official Guide For GMAT® Quantitative Review, 2ND Edition and then after couple of days we'll provide Official Answer (OA) to them along with a slution.

We'll be glad if you participate in development of this project:
1. Please provide your solutions to the questions;
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4. Please share your views on difficulty level of the questions, so that we have most precise evaluation.

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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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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?  [#permalink]

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New post 13 Sep 2019, 23:36
Bunuel wrote:
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


GMAT Club is introducing a new project: The Official Guide For GMAT® Quantitative Review, 2ND Edition - Quantitative Questions Project

Each week we'll be posting several questions from The Official Guide For GMAT® Quantitative Review, 2ND Edition and then after couple of days we'll provide Official Answer (OA) to them along with a slution.

We'll be glad if you participate in development of this project:
1. Please provide your solutions to the questions;
2. Please vote for the best solutions by pressing Kudos button;
3. Please vote for the questions themselves by pressing Kudos button;
4. Please share your views on difficulty level of the questions, so that we have most precise evaluation.

Thank you!


Asked: The number 2 - 0.5 is how many times the number 1 - 0.5?
2-.5 = 1.5
1 - .5 = .5
1.5 = 3 * .5

IMO C
GMAT Club Bot
Re: The number 2 - 0.5 is how many times the number 1 - 0.5?   [#permalink] 13 Sep 2019, 23:36
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