i found the ans in 30 mins but dont know correct or not?tvb now,tvbnow,bttvb7 s" b' m2 D* {" X9 Z. @
ans is too long! but concepts are something like that:1 S* i% A" I, u4 L
seprate 4 groups 3 balls in one group!
# k7 L8 b- f7 ~the important part is the 2nd times which need to find out the fake ball is heavier or lighter by use the normal ball that u find at the first time!
- ?1 N% b. r) B0 D- n% {) ]/ ]' g9 L3 Dtvboxnow.comthe last part is 1ball vs 1ball! something like that |