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 / srini
let a,b,c,d,e,f,g be the 7 balls,
group them
a and b group 1
b and c group 2 and others one group
weigh group 1 against group 2
if they are not equal weigh the individual balls with
respect to each other
if they are not equal(group 1 is not equal to group 2)
weigh e against f, if they are not equal heaviest among
them is ur answer else g is the answer.
| Is This Answer Correct ? | 6 Yes | 22 No |
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