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UKMT Grey Kangaroo, 2015

Number theory Difficulty 1.0 Junior Find the answer United Kingdom

Which of the following numbers is not an integer?

(A) 20111\frac{2011}{1} (B) 20122\frac{2012}{2} (C) 20133\frac{2013}{3} (D) 20144\frac{2014}{4} (E) 20155\frac{2015}{5}

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