A person is permitted to select at least one and at most coins from a collection of…

MATHEMATICS · Single correct · CBSE · Mathematics · Permutations and Combinations · Permutations and Combinations

Problem

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 they can select coins is

255

, then

n

equals (1) 4 (2) 8 (3) 16 (4) 32