1. 1st divide to half take the heavier out , m: e5 b/ |8 m4 V9 Q N& c* \5.39.217.772. 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) 7 M( \4 [5 e* K5 t% n" y3. Same method if is not equal on 2nd try.