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What is the value of (4a + 5)/a when rounded to the nearest integer?

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What is the value of (4a + 5)/a when rounded to the nearest integer? [#permalink]

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New post 19 Sep 2017, 01:29
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Difficulty:

  55% (hard)

Question Stats:

65% (01:01) correct 35% (01:32) wrong based on 30 sessions

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Re: What is the value of (4a + 5)/a when rounded to the nearest integer? [#permalink]

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New post 19 Sep 2017, 02:16
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Bunuel wrote:
What is the value of \(\frac{4a + 5}{a}\) when rounded to the nearest integer?

(1) a > 10
(2) 20 > a > 0


(4a + 5)/a
4 + 5/a

(1) if a>10 then 5/a will always be less than 1/2 hence m will always be 4
Sufficient

(2) if a is between 0 and 20 then m will take
5 when a is between 5 and 10
5 when a is 5
4 when a is between 10 and 20
...

not sufficient

A
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What is the value of (4a + 5)/a when rounded to the nearest integer? [#permalink]

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New post 19 Sep 2017, 10:27
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Bunuel wrote:
What is the value of \(\frac{4a + 5}{a}\) when rounded to the nearest integer?

(1) a > 10
(2) 20 > a > 0


\(\frac{4a + 5}{a}\) = 4+\(\frac{5}{a}\)
S1 - a>10
\(\frac{5}{a}\)<0.5
Value of the expression to nearest integer can be found.
S2 - 20 > a > 0
If a>10, \(\frac{5}{a}\)<0.5 and if a=5, \(\frac{5}{a}\)=1; two different answers.
Not sufficient.

Answer A

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Kudos [?]: 64 [1], given: 240

What is the value of (4a + 5)/a when rounded to the nearest integer?   [#permalink] 19 Sep 2017, 10:27
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