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UKMT Pink Kangaroo, 2018

Number theory Difficulty 1.0 Junior Find the answer United Kingdom

The sum of five consecutive integers is 10201810^{2018}. What is the middle number?

(A) 10201310^{2013} (B) 520175^{2017} (C) 10201710^{2017} (D) 220182^{2018} (E) 2×1020172\times 10^{2017}

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