In how many ways can five boys and three girls sit in a row such that all boys sit together?
Q1. In how many ways can five boys and three girls sit in a row such that all boys sit together?
Answer: 2880
Explanation: Treat 5 boys as one block: 4 units (1 block + 3 girls) arrange in 4! = 24 ways; boys within the block arrange in 5! = 120 ways. Total = 24 × 120 = 2880.