Library / /320 of 413

, 2003

Combinatorics Difficulty 2.0 Junior Find the answer Canada

The letters G, A, U, S, and S are written on five tiles, one letter per tile. If Amy selects two tiles at random, what is the probability she gets two S's?

(A) $\frac{3}{5}$ (B) $\frac{2}{5}$ (C) $\frac{1}{8}$ (D) $\frac{1}{10}$ (E) $\frac{1}{20}$

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.