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# A series of 5 numbers is 3, 4, 5, 5, x, is the range greater

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Senior Manager
Joined: 08 Nov 2010
Posts: 417
Followers: 7

Kudos [?]: 88 [0], given: 161

A series of 5 numbers is 3, 4, 5, 5, x, is the range greater [#permalink]

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06 Jun 2011, 11:53
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Difficulty:

95% (hard)

Question Stats:

32% (02:49) correct 68% (02:09) wrong based on 30 sessions

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A series of 5 numbers is 3, 4, 5, 5, x, is the range greater than 2?
I - the median of the numbers is greater than the mean
II - the median is 4

Hey guys,

Any good way to do it quickly?
[Reveal] Spoiler: OA

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Senior Manager
Joined: 24 Mar 2011
Posts: 457
Location: Texas
Followers: 5

Kudos [?]: 133 [1] , given: 20

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06 Jun 2011, 12:32
1
KUDOS
From B it is easy to determine that its not sufficient alone. the value of x can be for example 2, 3 or 4.

For A, i only have one method of solution, that is 2 plug in atleast two different values of x and try to prove the statement otherwise. And the statement doesn't suffice.
Senior Manager
Joined: 08 Nov 2010
Posts: 417
Followers: 7

Kudos [?]: 88 [0], given: 161

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06 Jun 2011, 12:42
Isnt there a more "mathematical" way to increase certainty?
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Re: Range   [#permalink] 06 Jun 2011, 12:42
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