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# 15 numbers between 20 and 30 (inclusive?), is their average

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Senior Manager
Joined: 08 Aug 2005
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15 numbers between 20 and 30 (inclusive?), is their average [#permalink]

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06 May 2006, 03:49
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

15 numbers between 20 and 30 (inclusive?), is their average greater than 25?

1) The median is greater than 25
2) 7 numbers are greater than 20 and less than 25
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Re: Median of 15 numbers [#permalink]

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11 May 2006, 17:27
getzgetzu wrote:
15 numbers between 20 and 30 (inclusive?), is their average greater than 25?

1) The median is greater than 25
2) 7 numbers are greater than 20 and less than 25

1. since median >25 and suppose if the 7 numbers are each 20, and all others are 25.01 including the median, then avg. isnot >25. in some other cases it could be >25.

2. suppose if the 7 numbers are all 20.1, and all others are 25.01 including the median, then avg. isnot >25. in some other cases it could be >25.

1 and 2 togather also not suff.........

E.
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12 May 2006, 13:00
E from me too.
It will be E even it's Integer in place of number.
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If A equals success, then the formula is: A = X + Y + Z, X is work. Y is play. Z is keep your mouth shut.
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12 May 2006, 13:00
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