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# DS Mean

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Senior Manager
Joined: 05 Oct 2005
Posts: 485

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DS Mean [#permalink]

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15 Dec 2005, 17:04
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Kudos [?]: 6 [0], given: 0

CEO
Joined: 20 Nov 2005
Posts: 2892

Kudos [?]: 323 [0], given: 0

Schools: Completed at SAID BUSINESS SCHOOL, OXFORD - Class of 2008

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15 Dec 2005, 17:53
A

ALL UNITS IN THOUSANDS.

(X1,X2,X3..........X14,X15)
X8 = 130

Consider that X1 to X7 are also 130 and X9 to X15 are 170 (For the most close case in which values of X9 to X15 will be minimum). In this case if decrease any of the value from X1 to X7 (or X9 to X15) then value of X15 will increase more. There is no way by which we can decrease the value of X15 (Highest) without making any other value to be more than X15.

So statement 1 is always true.
Statement 2 is not always true. (One example is case taken above)
Statement 3 is not always true (One example is case taken above)
_________________

SAID BUSINESS SCHOOL, OXFORD - MBA CLASS OF 2008

Kudos [?]: 323 [0], given: 0

15 Dec 2005, 17:53
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# DS Mean

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