Problem #WSP-000350

Problems Discrete Mathematics Combinatorics Permutations

Problem

Munira wants to put \(6\) books on her shelf, \(4\) of which are red and \(2\) of which are blue. The four red ones are a small paperback, a small hardback, a large paperback and a large hardback. The two blue ones are both paperback, one small and one large. She doesn’t want the two blue ones next to each other. In how many ways can she do this?