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Which of the following is closest in value to 0.5729?

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Which of the following is closest in value to 0.5729?  [#permalink]

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New post 12 Jan 2018, 00:35
00:00
A
B
C
D
E

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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Re: Which of the following is closest in value to 0.5729?  [#permalink]

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New post 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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Re: Which of the following is closest in value to 0.5729?  [#permalink]

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New post 12 Jan 2018, 01:06
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first, use the power of observation, now ones can pick 1144 and divide the number by 2, the rest is easy. => C
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Re: Which of the following is closest in value to 0.5729?  [#permalink]

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New post 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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Which of the following is closest in value to 0.5729?

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