NMC 2004 Problem 1
- Answer
27 balls, labelled by numbers from 1 to 27, are in a red, blue or yellow bowl. Find the possible numbers of balls in the red bowl, if the averages of the labels in the red, blue, and yellow bowl are 15, 3 ja 18, respectively.
Dataset text NuminaMath olympiads. Quoted with source.
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21, 16, 11
Solutions
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