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M19-08

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New post 16 Sep 2014, 01:05
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A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

91% (00:33) correct 9% (00:56) wrong based on 170 sessions

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M19-08  [#permalink]

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New post 25 Apr 2017, 07:30
1
Bunuel wrote:
\(\frac{11}{1.375} = \text{?}\)

A. 8
B. 9
C. 12
D. 14
E. 16


Handle denominator first:

1.375 = 1 \(\frac{3}{8}\) = \(\frac{11}{8}\)

The compound fraction: 11 divided by \(\frac{11}{8}\) =

11 * \(\frac{8}{11}\) = 8

A.
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New post 16 Sep 2014, 01:05
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New post 04 Mar 2017, 07:39
Even if there was a number in place of 1375 that was not divisible by 11, the following answer based approach could be used.

11/14 < 11/1.375 < 11/13

= 7.8 < 11/1.375 < 8.5

This eliminates all other choices.
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Re: M19-08  [#permalink]

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New post 02 Aug 2017, 08:27
Option A. 1.375 can be written as (1+3/8). The expression then becomes 11/(11/8). The answer is 8 or option A.
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New post 03 Aug 2017, 05:24
Approximate 1.375 as 1.4

Hence it is \(\frac{11}{1.4}\)
= \(\frac{110}{14}\)
= approx. 8 (precisely less than 8)
As you have increased the denominator, you would have to increase the value you got to compensate for the same and get the actual answer.

Actual Answer = 8.
Hence A. :)


Press Kudos if this helped!! :-D
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M19-08   [#permalink] 03 Aug 2017, 05:24
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