9 balls are there one of them is of higher wt and remaining
all are of same. given is one weighing scale and you can
use it two times. How will you find the heavy ball in two
trials only.
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Answer Posted / varun sangwan
first make 3 ball groups, and then compare any two group.
we can detect the heavier group easily and then from the
heavier group select two balls and compare their weight and
if weight found same then 3rd ball is faulty otherwise we
can found by looking at weighing scale.
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