1. 1st divide to half take the heavier out 9 n* W5 t( h8 t# o; g' [2. 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) ; u+ h5 E& _5 R& ~. o9 S5.39.217.773. Same method if is not equal on 2nd try.