Puzzle Corner # 4

All Career Guru's photo
All Career Guru
·Jul 11, 2022·

1 min read

Subscribe to our newsletter and never miss any upcoming articles

Play this article

Puzzle: identical-looking coins

There are eight identical-looking coins; one of these coins is counterfeit. The counterfeit coin can be lighter or heavier than other coins. What is the minimum number of usages of the weighing scale needed to identify the fake coin with a balance scale without weights?

 
Share this