There are 8 balls that look identical. One of them weighs
less than the others. Given a weighing scale, how will you
find this ball.
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Answer Posted / ventola
Divide 8 balls in 3 groups (3,3,2)
(weigh 1st) the first set (a=3, b=3) if a is less then take
randomly pick 2 balls from set 'a' and weigh them (2nd time)
again. if they are equal then the odd man out is the one
with less weight or the less side is the one.
if sets a & b are equal then weigh set c (=2)
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