# CAT Quant Practice Problems

Question: Consider the set S = {2, 3, 4… 2n + 1}, where ‘n’ is a positive integer larger than 2007. Define X as the average of the odd integers in S and Y as the average of the even integers in S. What is the value of X –Y?

 0 1 $\frac{1}{2}n$ $\frac{{n + 1}}{{2n}}$ 2008

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