Google Interview Questions: Out of 12 balls, 1 is defective (either heavier or lighter)... On a beam balance what is the minimum number of tries required to find the defective ball? - Quora
There are eight balls. Seven of them weigh the same but one of them has a different weight (heavier or lighter). How do you find the odd ball with two weighs? -
![weighing puzzle 12 balls of equal size and weight except for 1 - New Logic/Math Puzzles - BrainDen.com - Brain Teasers weighing puzzle 12 balls of equal size and weight except for 1 - New Logic/Math Puzzles - BrainDen.com - Brain Teasers](http://brainden.com/forum/uploads/monthly_2019_01/imported-photo-57999.thumb.jpeg.9c553ae205524914f11f18ae42cb5374.jpeg)