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MathNet 2015-part-06 — 191 problems (EN–VI) Question 41

Math Olympiad Vault · MathNet 2015-part-06 — 191 problems (EN–VI)

Question 41

The last digit of $2^{2015} + 5^{2015}$ is
(A) 1 (B) 3 (C) 5 (D) 7 (E) 9