A 9 ball problem.One of the ball is defective (could be either heavier or lighter as compared to other balls).To figure out which is a defective ball in least number of attempts and whether it is a heavy or a light ball……..
When questioned…Jim said: it was Hank or Tom………..Hank said: neither Eddie or I did it………..Tom Said: you’re both lying………..Don said: no one of them is lying, the other is speaking the truth………..Eddie said: no Don, that’s not true………..Who did it?
