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A person is permitted to selected at least one and at most `n` coins from a collection of `(2n+1)` distinct coins. If the total number o ways in which

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A person is permitted to selected at least one and at most `n` coins from a collection of `(2n+1)` distinct coins. If the total number o ways in which he can select coins is 255, find the value of `ndot`
A. 4
B. 8
C. 16
D. 32
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Correct Answer - A
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