There are seven candidates in an election. Out of which 4 candidate will be selected. A voter can vote to maximum four candidates . In how many ways he can 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 an election for 3 seats there are 6 candidates. Voter cannot vote for more than 3 candidates. In how many ways can he vote?

There are 5 candidates in an election and 3 of them are to be elected. A voter can cast any number of votes but not more than three. The number of ways in which he can cast his vote is

Three gentlemen and three ladies are candidates for two vacancies. A voter has to vote for two candidates. In how many ways can one cast his vote?