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19 Sep 2017, 01:29
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
68% (01:34) correct
32%
(01:46)
wrong
based on 93
sessions
History
Date
Time
Result
Not Attempted Yet
What is the value of \(\frac{4a + 5}{a}\) when rounded to the nearest integer?
(1) a > 10
(2) 20 > a > 0
(1) a > 10
(2) 20 > a > 0
Luckisnoexcuse
Current Student
Joined: 18 Aug 2016
Last visit: 31 Mar 2026
Posts: 513
Given Kudos: 198
Concentration: Strategy, Technology
Schools: Kenan-Flagler '20 (M)
GMAT 1: 630 Q47 V29
GMAT 2: 740 Q51 V38
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19 Sep 2017, 02:16
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Bunuel
(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
19 Sep 2017, 10:27
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Bunuel
\(\frac{4a + 5}{a}\) = 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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