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Actually this expression "n/2 = q + 1/2" to represent a number which is not divisible by 2 is only applicable to integer values of n. Since y is not necessarily an integer, x+y or n will not necessarily be an integer. Hence you cannot represent n the above way.
- by saptrishi
Thu Jul 01, 2010 7:55 pm- Forum: Data Sufficiency
- Topic: OG 11 - DS 118
- Replies: 4
- Views: 1031
- by saptrishi
Thu Jul 01, 2010 6:50 pm- Forum: Problem Solving
- Topic: Integral solutions 4x-Ay=B?
- Replies: 2
- Views: 3930