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Updated on: 20 Aug 2018, 13:09
Originally posted by MathRevolution on 16 Aug 2018, 08:58.
Last edited by MathRevolution on 20 Aug 2018, 13:09, edited 2 times in total.
Last edited by MathRevolution on 20 Aug 2018, 13:09, edited 2 times in total.
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B
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:
73% (02:13) correct
27%
(02:32)
wrong
based on 281
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Not Attempted Yet
[Math Revolution GMAT math practice question]
The average of the maximum and the minimum of a data set is \(x\) and its maximum is \(40\). The range of the set is \(10\) greater than \(x\). What is the minimum of the set in terms of \(x\)?
A. \(x - 20\)
B. \(2x - 40\)
C. \(2x\)
D. \(20 – x\)
E. \(40 – 2x\)
The average of the maximum and the minimum of a data set is \(x\) and its maximum is \(40\). The range of the set is \(10\) greater than \(x\). What is the minimum of the set in terms of \(x\)?
A. \(x - 20\)
B. \(2x - 40\)
C. \(2x\)
D. \(20 – x\)
E. \(40 – 2x\)
16 Aug 2018, 11:03
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MathRevolution
[Math Revolution GMAT math practice question]
The median of a data set is \(x\) and its maximum is \(40\). The range of the set is \(10\) greater than the median. What is the minimum of the set in terms of \(x\)?
A. \(x - 20\)
B. \(2x - 40\)
C. \(2x\)
D. \(20 – x\)
E. \(40 – 2x\)
The median of a data set is \(x\) and its maximum is \(40\). The range of the set is \(10\) greater than the median. What is the minimum of the set in terms of \(x\)?
A. \(x - 20\)
B. \(2x - 40\)
C. \(2x\)
D. \(20 – x\)
E. \(40 – 2x\)
\(Range = Max_{set}-Min_{set}\), where \(Max_{set}\) is maximum of set and \(Min_{set}\) is minimum of set
Given \(Range = Median+10 = x+10\)
\(Max_{set}=40\)
\(x+10 =40-Min_{set}\)
\(Min_{set}=40-(x+10)\)
\(Min_{set}=30-x\)
@MathRevolution,Please recheck OA
16 Aug 2018, 17:49
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MathRevolution
[Math Revolution GMAT math practice question]
The median of a data set is \(x\) and its maximum is \(40\). The range of the set is \(10\) greater than the median. What is the minimum of the set in terms of \(x\)?
A. \(x - 20\)
B. \(2x - 40\)
C. \(2x\)
D. \(20 – x\)
E. \(40 – 2x\)
The median of a data set is \(x\) and its maximum is \(40\). The range of the set is \(10\) greater than the median. What is the minimum of the set in terms of \(x\)?
A. \(x - 20\)
B. \(2x - 40\)
C. \(2x\)
D. \(20 – x\)
E. \(40 – 2x\)
let minimum=m
range=40-m
40-m=2(40-x)
m=2x-40
B
