1st trial - put 6 balls at each side .. take out the lighter 6 balls
4 i( L* n. z' V! bwww3.tvboxnow.com2nd trial - put the heavier 6 balls by 3 balls at each sidewww3.tvboxnow.com& `& v( F p6 W+ I9 I" u8 z
lastly, take out the lighter 3 balls.... now left 3 balls..
+ t x" I2 I& F; n/ ~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... |