take 4 balls as a group, 3 groups - A B C
5 ]- a r0 O+ r/ }tvb now,tvbnow,bttvbweigh A & B (ex. B heavier)tvb now,tvbnow,bttvb2 [9 y5 ?5 F# x: L0 n8 t
then weigh B & C (B & C same weight)5.39.217.765 o9 s2 g. T- U8 d- z" U
to find which group has the weight difference and find out is it (A is lighter)
, i, ^: e5 O" Z( I& z+ xheavier or lighter5.39.217.762 E: i) M" y7 S w4 G0 G
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)6 w+ F/ o: s. c' t; n* L4 r
measure E vs F to find which 1 is lighter.... |