1. 1st divide to half take the heavier out ; W, b; ^) Z" e0 x1 r" M2. 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) 6 d* G0 O4 s. q8 x# Q I$ m3. Same method if is not equal on 2nd try.