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There is a set of numbers in ascending order: {y - x, y, y, y, y, x, x

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Divyangbhartia
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There is a set of numbers in ascending order: {y - x, y, y, y, y, x, x [#permalink] New post   25 Apr 2020, 23:22
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There is a set of numbers in ascending order: {y - x, y, y, y, y, x, x, x, x + y}. If the mean is 9, and
the median is 7, what is x?

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Re: There is a set of numbers in ascending order: {y - x, y, y, y, y, x, x [#permalink] New post   26 Apr 2020, 01:57
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Divyangbhartia wrote:
There is a set of numbers in ascending order: {y - x, y, y, y, y, x, x, x, x + y}. If the mean is 9, and
the median is 7, what is x?


Hi Divyangbhartia

Please follow the rules of postings for the benefit of all.
https://gmatclub.com/forum/rules-for-po ... l#p1092822

Please Post questions with options :)


Median = y = 7

Mean = (6y+3x)/9 = 9

i.e. x = 13
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Re: There is a set of numbers in ascending order: {y - x, y, y, y, y, x, x [#permalink] New post   26 Apr 2020, 02:16
Divyangbhartia wrote:
There is a set of numbers in ascending order: {y - x, y, y, y, y, x, x, x, x + y}. If the mean is 9, and
the median is 7, what is x?


Given:There is a set of numbers in ascending order: {y - x, y, y, y, y, x, x, x, x + y}.

Asked: If the mean is 9, and the median is 7, what is x?

the mean is 9
y - x + 4y + 3x + x + y = 9*9 = 81
3x +6y = 81

the median is 7
y = 7

3x + 42 = 81
3x = 39
x = 13
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Re: There is a set of numbers in ascending order: {y - x, y, y, y, y, x, x [#permalink] New post   26 Apr 2020, 02:16
Divyangbhartia wrote:
There is a set of numbers in ascending order: {y - x, y, y, y, y, x, x, x, x + y}. If the mean is 9, and
the median is 7, what is x?


Hi Divyangbhartia
You can provide options.

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Re: There is a set of numbers in ascending order: {y - x, y, y, y, y, x, x [#permalink] New post   28 Mar 2024, 06:14
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Re: There is a set of numbers in ascending order: {y - x, y, y, y, y, x, x [#permalink]
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