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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 / kishore.rkv@gmail.com
make it into 3 sets each contains 3 balls, compare any two sets with the help of balance, if any one of the set is heavy then it is taken otherwise remaining set is taken, and take two balls from that heavy set and compare them, the heavier will be the final or if both are same then other one is the heavier ball.
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