[ Mathematics ] Open Question : Twenty-eight people in student council are running for the offices of president and vice-president. In how man?
Twenty-eight people in student council are running for the offices of president and vice-president. In how many different ways can those offices be assigned?
(a) 55
(b) 378
(c) 756
Source: http://answers.yahoo.com/question/index?qid=20120617175836AA1Hm4T