No Two Elements in Ratio 3:23:2

★ 8/10combinatoricsnumber theory

Problem

From {1,2,…,2018}\{1, 2, \dots, 2018\}, at most how many numbers can be chosen so that no two of them have ratio exactly 32\dfrac32?

Answer

Solution

Difficulty8/10
Topicscombinatorics, number theory

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