1. 1st divide to half take the heavier out : Q7 E! {/ {* Y* J2. 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) . }" _: }( G u T. h5 i7 T3. Same method if is not equal on 2nd try.