Median

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okigbo: Master | Next Rank: 500 Posts; Posts: 177; Joined: Sun Aug 02, 2009 9:39 pm; Thanked: 6 times

by okigbo » Wed Oct 28, 2009 3:25 pm

If the average of five numbers, x, 7, 2, 16, and 11 = the median, what is x?
a. 7 < x > 11
b. x is median of the five numbers

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Source: Beat The GMAT — Data Sufficiency | Wed Oct 28, 2009 3:25 pm

grockit_jake: GMAT Instructor; Posts: 80; Joined: Wed Aug 12, 2009 8:49 pm; Location: San Francisco, CA; Thanked: 16 times

by grockit_jake » Thu Oct 29, 2009 8:55 am

There seems to be something wrong with A.

a. 7 < x > 11

This says x is greater than 7 and greater than 11, which is repetitive.

Jake Becker
Academic Director
Grockit Test Prep
https://www.grockit.com

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mp2437: Master | Next Rank: 500 Posts; Posts: 177; Joined: Thu Aug 14, 2008 11:59 am; Thanked: 25 times

by mp2437 » Thu Oct 29, 2009 10:35 am

I'm pretty sure this should say 7 < x < 11, and answer is D. I answered this question for someone else yesterday, search in forum.

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