5 gentlemen and 3 gentlewomen are candidates for 2vacancies. A voter has to vote for 2 candidates. In how many ways can one cast his vote?  Choose the correct choice from the following answers:
A) 11
B) 12
C) 15
D) 16
E) 28
There are 8 candidates and a voter has to vote for any two of them.   So, the required number of ways is,   = 8C2 = 28   28
<result>E</result>
5 gentlemen and 3 gentlewomen are candidates for 2vacancies. A voter has to vote for 2 candidates. In how many ways can one cast his vote?