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Problem 33

Combinatorics Difficulty 1.0 Find the answer CEMC Gauss (Grade 8) · Canada · 2007

A cube having the digits $1, 2, 3, 4, 5, 6$ on its six faces is tossed. What is the probability that the number on the top face is $5$ or $6$ ? (A) $\frac{5}{6}$ (B) $\frac{1}{5}$ (C) $\frac{1}{3}$ (D) $\frac{11}{36}$ (E) $\frac{2}{5}$

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