Larrrs, Thank you for posting.
The evil pointed head interviewer put the question to me that all balls were the same, except one, which was heavier than the rest of the population.
Cheers
chronon, et all, thank you for the input so far.
Here is how I worked out 2 weighings for 8 balls
start with 8 balls
First weighing is 123 vs 456 (balls 7 & 8 are set aside)
Lets say I get lucky and 123 vs 456 balance each other.
That means either 7 or 8 is the odd ball so my second...
Hello,
There is a similar thread in brain teaser's, but I can't seem to find it. So let me first apoligize for the lack of net ettiquette.
I had an interview today with the ole snookerball and scale question. First it was 8 balls, 7 of equal weight and 1 of an odd weight (could be heavier...
hello,
I had a job interview today with the ole 12 snooker ball question (a similar question is hosted on this PF site: physicsforums.com/archive/t-40405_12_red_snooker_balls.html ). The interviewer started with an 8 ball scenerio, then we went to 12 balls. In each case I had to sweat out...