1. 1st divide to half take the heavier out % ]# w7 |; I9 A1 M0 I; p5.39.217.762. 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) 5 @& I( @6 T/ k0 H5.39.217.763. Same method if is not equal on 2nd try.