1st trial - put 6 balls at each side .. take out the lighter 6 balls
' I' v/ w5 e3 w2nd trial - put the heavier 6 balls by 3 balls at each side
* z5 c' z; T! T) s$ ^ \$ e4 Itvb now,tvbnow,bttvblastly, take out the lighter 3 balls.... now left 3 balls..
4 o( ^* R; e3 H1 t- B Ptvb now,tvbnow,bttvb3rd trial - put 1 ball on each side, left 1 ball on table. if both sides balance, the ball on table is the heaviest. if one side on the scale is heavier then it is the heaviest... |