6 gentlemen and 3 gentlewomen are candidates for 2vacancies. A voter has to vote for 2candidates. In how many ways can one cast his vote?  Choices.
A) 11
B) 12
C) 25
D) 36
E) 47
There are 9 candidates and a voter has to vote for any two of them.   So, the required number of ways is,   = 9C2 = 36.   36
<result>D</result>
6 gentlemen and 3 gentlewomen are candidates for 2vacancies. A voter has to vote for 2candidates. In how many ways can one cast his vote?