Maths Olympiad Prep

Library / /115 of 356

, 1999

Combinatorics Difficulty 1.0 Junior Find the answer Canada

A box contains 3636 pink, 1818 blue, 99 green, 66 red, and 33 purple cubes that are identical in size. If a cube is selected at random, what is the probability that it is green?

(A) 19\frac{1}{9} (B) 18\frac{1}{8} (C) 15\frac{1}{5} (D) 14\frac{1}{4} (E) 970\frac{9}{70}

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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.