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power prep

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power prep [#permalink] New post 07 Sep 2008, 20:17
pls solve by giving examples...
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Re: power prep [#permalink] New post 07 Sep 2008, 20:34
I would go with E, because a set having an extra number will never have a smaller range.

Consider:
Set S: 1, 3, 5, 7, 9, 11, 13, 15, 17
Set T: Any 8 of the above.
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Re: power prep [#permalink] New post 07 Sep 2008, 22:11
Since S has 9 different numbers and T is a subset of S. At max, the range of T can be equal to the range of S. The range of S can never be less than that of T.

Hence, E is the answer.
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Re: power prep [#permalink] New post 19 Sep 2008, 22:47
can some one give an example of how the medians of the two sets can be the same
Re: power prep   [#permalink] 19 Sep 2008, 22:47
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