1.

Total number of ways in which 256 identical balls can be placed in 16 numbered boxes (1,2,3,.,16) such that rth box contains at least r balls is (1≤r≤16)

Answer»

Total number of ways in which 256 identical balls can be placed in 16 numbered boxes (1,2,3,.,16) such that rth box contains at least r balls is (1r16)



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