You have got 27 coins, each of them is 10g, except for 1. The 1 different coin is 9g or 11g. You should use balance scale that compares what's in the two
You have got 27 coins, each of them is 10g, except for 1. The 1 different coin is 9g or 11g. You should use balance scale that compares what's in the two pans. What is the minimum no of weighings that can determine the different coin.? - Quora
Counting Money Puzzles - Complete Set at Lakeshore Learning
You have got 27 coins, each of them is 10g, except for 1. The 1 different coin is 9g or 11g. You should use balance scale that compares what's in the two
You have got 27 coins, each of them is 10g, except for 1. The 1 different coin is 9g or 11g. You should use balance scale that compares what's in the two