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If set S consists of the first 10 positive multiples of 5 and set T co
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21 Sep 2021, 20:55
21 Sep 2021, 20:55
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If set S consists of the first 10 positive multiples of 5 and set T consists of the next 10 positive multiples of 5, what is the positive difference between the average (arithmetic mean) of S and the median of T ?
(A) 5
(B) 25
(C) 47.5
(D) 50
(E) 52.5
(A) 5
(B) 25
(C) 47.5
(D) 50
(E) 52.5
Re: If set S consists of the first 10 positive multiples of 5 and set T co
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22 Sep 2021, 00:35
22 Sep 2021, 00:35
\(S = {5, 10, 15, 20, 25, 30, 35, 40, 45, 50}\)
\(T = {55, 60, 65, 70, 75, 80, 85, 90, 95, 100}\)
Average of S \(= 27.5\) & median of T = \(\frac{80+75}{2} = 77.5\)
Diff \(= 50\)
Answer D
\(T = {55, 60, 65, 70, 75, 80, 85, 90, 95, 100}\)
Average of S \(= 27.5\) & median of T = \(\frac{80+75}{2} = 77.5\)
Diff \(= 50\)
Answer D
gmatclubot
Re: If set S consists of the first 10 positive multiples of 5 and set T co [#permalink]
22 Sep 2021, 00:35
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