Combinations for Selecting Picnic Guests (JEE M… | ExamDuo
Combinations and selection of itemsMedium
Combinations for Selecting Picnic Guests
Group A consists of 7 boys and 3 girls, while group B consists of 6 boys and 5 girls. The number of ways, 4 boys and 4 girls can be invited for a picnic if 5 of them must be from group A and the remaining 3 from group B, is equal to: