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Source: — Data Sufficiency |
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by akdayal » Thu May 13, 2010 9:11 am
The answer is E, although I thought it should be C. Can anyone help?
If you combine both statement, We do not know exact number of seats unoccupied for the common 10 rows.
anyway we only know average. It will not help to know exact number of unoccupied seat is each rows
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