Can You Solve the Counterfeit Coin Puzzle?

This classic math problem can be maddening.

Solved A well-known logical puzzle has n coins, one of which

PDF] Counting Counterfeit Coins: A New Coin Weighing Problem

Can you solve the counterfeit coin riddle? - Jennifer Lu - MathsLinks

Answer to Riddle #65: 9 Coins, 1 Odd one, 2 Weighings

PDF) Annals of An Advanced Approach to Solve two Counterfeit Coins

Coin Change Problem with Dynamic Programming: A Complete Guide

Find The Fake Coin — Greg Egan

Counterfeit Among 8 Coins

How to spot a fake banknote or coin - Reserve Bank of New Zealand