A teacher wants to award prizes for 1st,2nd, 3rd,4th, and 5th in a class of 30. In how many ways can the prizes be awarded (assume no two students tie)?
You want to choose a fund raising committee of 5 people from 7 men and 8 women.How many ways can this be done?
Political,social, cultural and political
There are 10 boys and 11 girls at a school. How many different ways can the boys each choose a girl to take to the formal?