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Odd Ball

Logic puzzles require you to think. You will have to be logical in your reasoning.

 

Puzzle ID:#2295
Fun:*** (2.11)
Difficulty:*** (2.63)
Category:Logic
Submitted By:tommo***
Corrected By:cnmne

 

 

 



You are given 14 balls, one of which is marked as a reference ball. 12 of the other balls are the same weight as the reference ball but the other ball may be slightly heavier, slightly lighter or the same weight as the reference ball. Using a balance scale how can you determine which is the odd ball, if any, with just three weighings?




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Comments

absyAus*
Dec 06, 2003

omg just looking at the explanation made my head hurt.
froggyggAus*
May 24, 2005

Good teaser...even though the answer "rolled" right past me!
Knew it had something to do with splitting them into groups, but not quite sure how. Stumped me.
thompson1Aus**
Feb 22, 2006

The groups are 4,4, and 5, so there can't be 2 groups of 5 to weigh against each other
tintiniscoolAus*
Oct 10, 2006

............. ................
dudebomb93Aus*
Jul 27, 2007

that was so stupid boring and dumb,i mean its not fun when its complicating,i mean the freekin answer is complicating
tommo
Sep 16, 2009

There ARE two groups of 5 balls.
On is 5 unknown balls. Tne other is 4 unknown plus the reference (4+1 =5)



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