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Re: Concern with Mod in Quant [#permalink]
07 May 2012, 12:36
The absolut value of any number is the positive version. For instance, the absolute value of -1 is 1 and the absolute value of 1 is 1. So for the absolute value of x to be less than 1, the number has to be between -1 and 1. aka -1<x<1