can anyone provide the answer for the puzzle below
There are 25 horses,in each race only 5 horses can
participate.how many races are required to select best 5
horses out of 25.
need answer with detailed explanation
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Answer Posted / jayasree
it is 26.
divide 25 into 5 groups and select one from each group and
conduct race among them and select one ( first fastest one).
and the remaining 4 horses are named as A1, A2,A3,A4.
now divide 20 horses into 4 groups and conduct race
between them then select one from each group. now conduct
race between these 4 horses + A1 and select one ( second
fastest one).
now divide 20 horses into 4 groups and conduct race
between them then select one from each group & conduct race
between these 4 horses + A2 and select one ( third fastest one).
likewise select other two fastest horses. totally five
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