Permutations with Grouping Constraints (JEE Mains) | ExamDuo
Arrangement under constraintsMedium
Permutations with Grouping Constraints
In a group of 3 girls and 4 boys, there are two boys B1 and B2. The number of ways, in which these girls and boys can stand in a queue such that all the girls stand together, all the boys stand together, but B1 and B2 are not adjacent to each other, is :