Maths Olympiad Prep

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Problem 45

Combinatorics Difficulty 1.0 Find the answer CEMC Pascal · Canada · 2009

Alice rolls a standard 6-sided die. Bob rolls a second standard 6-sided die. Alice wins if the values shown differ by 1. What is the probability that Alice wins?

(A) 13\frac{1}{3} (B) 29\frac{2}{9} (C) 518\frac{5}{18} (D) 16\frac{1}{6} (E) 536\frac{5}{36}

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