divde the 12 balls into 3 sets of 4. / ^' R3 B; D( L" l) S# |
weight any 2 sets.
- \; u6 I$ |3 Kif the 2 sets are equal, then you know the heavy one is in the thirdtvb now,tvbnow,bttvb2 T7 Q, s# R! W7 o
if one of the 2 is heavier, then the heavy one is in that set
5 x/ n, X6 A9 U# {tvb now,tvbnow,bttvbthen divide the 4 balls into 2.
0 C/ Q9 @, z4 Gtvb now,tvbnow,bttvbweigh themtvb now,tvbnow,bttvb$ K, R) ~/ s* S3 R; J0 S V% X. X
and divide the heavier into 1tvb now,tvbnow,bttvb, k6 z; z) d5 g
and weight them.www2.tvboxnow.com7 l$ h& H) ?' x# a2 f
3 x weighing and get the ans. 4 u( Z0 ~; S0 I, }/ C
in less than 15 secs. |