Ways for 30 identical balls can be distributed among 4 boys, Mathematics

In how many ways 30 identical balls can be DISTRIBUTED among 4 boys??

Ans) Let they get a,b,c,d respectively.

You requireto find the non negative integral results of a+b+c+d=30 (as they add up to 30)

the formula is n+r+1Cr-1 where n=30 and r= 4(a,b,c,d)

therfore 33C3 = 5456

Posted Date: 3/11/2013 8:37:41 AM | Location : United States







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