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GRE Prep Club Team Member
Joined: 20 Feb 2017
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List R contains five numbers that have an average value of 55. If the
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02 Apr 2021, 05:45
02 Apr 2021, 05:45
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List R contains five numbers that have an average value of 55. If the median of the numbers in the list is equal to the mean and the largest number is equal to 20 more than two times the smallest number, what is the smallest possible value in the list?
a. 35
b. 30
c. 25
d. 20
e. 15
a. 35
b. 30
c. 25
d. 20
e. 15
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Joined: 16 Apr 2020
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Re: List R contains five numbers that have an average value of 55. If the
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02 Apr 2021, 07:00
02 Apr 2021, 07:00
GeminiHeat wrote:
List R contains five numbers that have an average value of 55. If the median of the numbers in the list is equal to the mean and the largest number is equal to 20 more than two times the smallest number, what is the smallest possible value in the list?
a. 35
b. 30
c. 25
d. 20
e. 15
a. 35
b. 30
c. 25
d. 20
e. 15
\(a + b + c + d + e = 55(5) = 275\)
\(a + b + 55 + d + e = 275\)
\(a + b + 55 + d + (2a + 20) = 275\)
\(a\) would be smallest when \(b = c = 55\) and \(d = e = (2a + 20)\)
\(a + 55 + 55 + (2a + 20) + (2a + 20) = 275\)
\(5a + 150 = 275\)
\(5a = 125\)
\(a = 25\)
Hence, option C
gmatclubot
Re: List R contains five numbers that have an average value of 55. If the [#permalink]
02 Apr 2021, 07:00
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