1st trial - put 6 balls at each side .. take out the lighter 6 ballswww3.tvboxnow.com& x4 f' _; p. w1 P$ N
2nd trial - put the heavier 6 balls by 3 balls at each side
0 X) v: R8 p, P# ]' m* f" ~lastly, take out the lighter 3 balls.... now left 3 balls..7 Z; D- ^. V1 \) i3 G8 V. S) }
3rd 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... |