there are 36 ball which look identical but one of them is less weighted than others and there is a common balance with you in how many least chances will you trace that ball with less weight out of the group?
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separate the given into two equal parts and then measure, they differ by their weight. one part has less weight compared to other.
★★★★ use the above hint ★★★★★★★
1st chance
>>>> 18 ------ 18
2nd chance
>>>> 9 ------- 9
3 rd chance
4 --- 4 ---- 1
it's the least possibility, if the 4 ---- 4 are equal, you left with one ball which have less weight.
Else, you left with four balls
4th chance
>>>>>> 2 ----- 2
5th chance
>>>>>> 1 ----- 1
You can find it.
hope you understand.
if you have any doubts, comment ;)(
★★★★ use the above hint ★★★★★★★
1st chance
>>>> 18 ------ 18
2nd chance
>>>> 9 ------- 9
3 rd chance
4 --- 4 ---- 1
it's the least possibility, if the 4 ---- 4 are equal, you left with one ball which have less weight.
Else, you left with four balls
4th chance
>>>>>> 2 ----- 2
5th chance
>>>>>> 1 ----- 1
You can find it.
hope you understand.
if you have any doubts, comment ;)(
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