Let denotes the number of ways in which 5 boys and 5 girls can be arranged in a line…
MATHEMATICS · Single correct · CBSE · Mathematics · Permutations and Combinations · Permutations and Combinations
Problem
Let m denotes the number of ways in which 5 boys and 5 girls can be arranged in a line alternately and n denotes the number of ways in which 5 boys and 5 girls can be arranged in a circle so that no two boys are together. if m=kn then the value of k is :
(a) 2
(b) 5
(c) 6
(d) 10