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Phani Madhav
- Newbie | Next Rank: 10 Posts
- Posts: 3
- Joined: Mon Jul 21, 2008 7:35 pm
Hi
its been discussed before
https://www.beatthegmat.com/problem-from ... 13457.html
Vishu
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Source: Beat The GMAT — Problem Solving |
This is basically a modified stats question involving averages. Converting the question into algebraic form, you get:
(10*1.1x + x) / 11 = 12,000
If you think about it, no matter how the population is distributed, you'll get to an average of 12,000 because we know that one district will have a population below 12,000.
Solve for x above, and you'll get 11,000
(10*1.1x + x) / 11 = 12,000
If you think about it, no matter how the population is distributed, you'll get to an average of 12,000 because we know that one district will have a population below 12,000.
Solve for x above, and you'll get 11,000
