Maths Olympiad Prep

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Problem 38

Combinatorics Difficulty 1.0 Find the answer CEMC Cayley · Canada · 2011

After a fair die with faces numbered 11 to 66 is rolled, the number on the top face is xx. Which of the following is most likely?

(A) xx is greater than 22 (B) xx equals 44 or 55 (C) xx is even (D) xx is less than 33 (E) xx equals 33

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