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CBSE Class 11-science Answered

permutation and combination
Asked by soukarshadhar2006 | 31 Mar, 2010, 09:34: AM
Expert Answer

Each person is entitled to receive at most n - 1 prizes is equivalent to saying a person cannot get all the prizes.

Number of prizes : n

Number of candiadtes: m

Total number of ways in which prizes can be distributed in a way when a candidate can gate all the prizes is nxnxnx....n=nways.

Total number of ways in which prizes can be distributed in a way when a candidate can gate  only one prizes is  n

So required number is nm-n

 

Answered by | 31 Mar, 2010, 10:09: AM
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