easy · GMAT Quant
An automated quality-control system processes an integer batch size k by splitting units into two subgroups of sizes lfloor (k)/(2) rfloor and lceil (k)/(2) rceil. For every integer k
Which of the following expressions is always equal to the sum lfloor (k)/(2) rfloor + lceil (k)/(2) rceil?
- k
- 2k
- lfloor k rfloor + 1
- (k)/(2)
- k - 1
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