If a person is permitted to select at least one and at most n coins fr – InterviewSolution

1.	If a person is permitted to select at least one and at most n coins from the collection of (2n +1) different coins. If the total number of ways in which he can select coins is 255 find the value of n
Answer» If a person is permitted to select at least one and at most n coins from the collection of (2n +1) different coins. If the total number of ways in which he can select coins is 255 find the value of n

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