Question

In a class, there are 15 students. Out of them, 9 are boys. A team is to be formed with 10 students where 6 must be boys. In how many ways can the team be formed?

Answer 1

Step-by-step explanation:

A team is to be formed with 10 students of them 6 must be boys. In how many ways can the team be formed? There c(9,6) ways to make the necessary minimum of 6 boys. We have 15–6=9 people left to fill the remaining 10–6=4 places in the team.