1. 1st divide to half take the heavier out A* b; z2 ^0 M' z" | Htvb 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) 3 ]5 w: f. x9 _1 p: Y* \3. Same method if is not equal on 2nd try.