For the post of 5 teachers, there are 23 applicants, 2 posts are reserved for SC candidates and there are 7 SC candidates among the applicants. In how many ways can he selection be made?

For the post of 5 teachers,there are 23 applicants,2 posts are reserved for SC candidates and there are 7SC candidates among the applicants.In how many ways can he selection be made?

There are 6 candidates for 3 posts. In how many ways can the posts be filled?

In an election for 3 seats there are 6 candidates. Voter cannot vote for more than 3 candidates. In how many ways can he vote?

In an election for 3 seats there are 6 candidates. Voter cannot vote for more than 3 candidates. In how many ways can he vote?

In how many ways can one post 3 letters in 5 post boxes?

There are 6 candidates contesting for a certainoffice n a municipal election. In how many ways can their names be listed on a ballot paper?

There are 6 candidates contesting for a certainoffice n a municipal election. In how many ways can their names be listed on a ballot paper?

To fill up 12 vacancies, there are 25 candidates of which 5 are from SC. If 3 of these vacancies are reserved for SC candidates while the remaining are open to all then the number of ways in which the selection can be made is

A servant has to post 5 letters and there are 4 letter boxes. In how many waysy can he post the letters?