We have a scale and 7 balls. 1 ball is heavier than all the
rest. How to determine the heaviest ball with only 3
possible weighing attempts?
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Answer Posted / kanishka sukumar
select 2 random groups of 3 balls and after weighing them
1.if equal
the one not weighed is heaviest
else
measure any 2 balls of the heavier group
2. if equal
the one not weighed is heaviest
else
the heavier one is the heaviest
| Is This Answer Correct ? | 6 Yes | 3 No |
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