A person is permitted to select at least one and at most n coins from a collection of \[(2n+1)\] distinct coins. If the total number of ways in which he can select coins is 255, then n equals [AMU 2002]

A person is permitted to select at least one and at most n coins from

1.	A person is permitted to select at least one and at most n coins from a collection of \[(2n+1)\] distinct coins. If the total number of ways in which he can select coins is 255, then n equals [AMU 2002]
A.	4
B.	8
C.	16
D.	32
Answer» B. 8

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A person is permitted to select at least one and at most n coins from a collection of \[(2n+1)\] distinct coins. If the total number of ways in which he can select coins is 255, then n equals [AMU 2002]

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