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Tom, Jane, and Sue each purchased a new house. The average

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Joined: 29 Jun 2017
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GMAT 1: 570 Q49 V19
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Re: Tom, Jane, and Sue each purchased a new house. The average [#permalink]

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New post 17 Aug 2017, 02:33
1) toms house is 110,000 $

mean is 120,000

sum/N = mean
sum =360,000 as n=3

now toms is 110,000 which means jane and sue has total of 250,000 value
either J or S can be 120,000 or 130,000 or vice versa which changes median..

A and D gone

2) jane is 120,000
T+S =240,000

max can be 120,000 in this case all will be 120,000
and in other cases one is less than 120,000 and other is more than 120,000
in that case also median is same 120,000

hence B is sufficient.
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Re: Tom, Jane, and Sue each purchased a new house. The average   [#permalink] 17 Aug 2017, 02:33
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Tom, Jane, and Sue each purchased a new house. The average

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