1. 1st divide to half take the heavier out # K g2 j: _5 X4 P# L, dtvb now,tvbnow,bttvb2. 2nd take 4 balls out of 5 divide 2 groups to get the heavier out. (if is equal thn the remain is the one u looking for) , k4 Y$ |, s" }0 {2 e( F6 y$ L6 Itvb now,tvbnow,bttvb3. Same method if is not equal on 2nd try.