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Gmat Prep 2

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Gmat Prep 2

by abhinav85 » Mon Jun 08, 2009 7:31 pm
A certain list consist of 5 different integers. Is the (average mean) of the greatest integers in the list greater than 70?

A) The median of the inetgers in the list is 70.

B) The average of the integers in the list is 70.

D
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Source: — Data Sufficiency |
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Re: Gmat Prep 2

by Claret » Mon Jun 08, 2009 7:42 pm
abhinav85 wrote:A certain list consist of 5 different integers. Is the (average mean) of the greatest integers in the list greater than 70?


didnt get the meaning of the underlined text above ? Can anybody explain..
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by SanjeevK » Wed Jun 10, 2009 8:42 am
IMO D:
a) Since the median is 70 and all integers are different, the greatest two integers will definitely be greater than 70. Hence their average will be greater than 70. Sufficient

b) Since the average is 70 and all integers are different, definitely atleast one integer will be greater than 70 by the amount the other integers are less than 70. The average of this number with the second largest number will be greater than 70. Sufficient
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