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Which of the following is closest in value to 0.5729?

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Math Expert
Joined: 02 Sep 2009
Posts: 50010
Which of the following is closest in value to 0.5729?  [#permalink]

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12 Jan 2018, 00:35
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Difficulty:

45% (medium)

Question Stats:

63% (02:10) correct 37% (02:04) wrong based on 71 sessions

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Which of the following is closest in value to 0.5729?

A. $$\frac{11.43}{2*10^2}$$

B. $$\frac{1144}{2*10^3}$$

C. $$\frac{1145}{20*10^2}$$

D. $$\frac{11.45}{2*10^2}$$

E. $$\frac{1144}{2*10^4}$$

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Intern
Joined: 30 May 2017
Posts: 40
GMAT 1: 730 Q49 V41
Re: Which of the following is closest in value to 0.5729?  [#permalink]

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12 Jan 2018, 01:00
1
C as on solving C we get 0.5725 which is the closest of all
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Joined: 12 Dec 2016
Posts: 1710
Location: United States
GMAT 1: 700 Q49 V33
GPA: 3.64
Re: Which of the following is closest in value to 0.5729?  [#permalink]

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12 Jan 2018, 01:06
1
first, use the power of observation, now ones can pick 1144 and divide the number by 2, the rest is easy. => C
Veritas Prep GMAT Instructor
Joined: 16 Oct 2010
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Location: Pune, India
Re: Which of the following is closest in value to 0.5729?  [#permalink]

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12 Jan 2018, 05:41
1
Bunuel wrote:
Which of the following is closest in value to 0.5729?

A. $$\frac{11.43}{2*10^2}$$

B. $$\frac{1144}{2*10^3}$$

C. $$\frac{1145}{20*10^2}$$

D. $$\frac{11.45}{2*10^2}$$

E. $$\frac{1144}{2*10^4}$$

You see that each option has 2 in the denominator. So multiply .5729 with 2 to get 1.1458.
Options (C) and (D) seem to be closest.

Option (C) has 1000 in the denominator so we get decimal at the right place. Answer (C)
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Re: Which of the following is closest in value to 0.5729? &nbs [#permalink] 12 Jan 2018, 05:41
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