The coin riddle
There are 27 coins out of which one is heavy.What is the the minimum number of weighs to detect.You have only a beam balance to weigh.
Reply by
Caprico
- July 05 2012 03:55:48 AM
1) Are you, by any chance, from KJSCE? Forgive me if I'm wrong.
2) The minimum no. of weighings required is 3. Confirm if I'm correct, and I'll elaborate.. :)
Reply by
pirahana
- January 08 2013 07:11:44 AM
can you explain how 3