How many ways can a student select five questions from an exam containing 12 questions, if one of the five must be the last question?
A) 330
B) 7920
C) 40,320
D) 95,040

Question

Quizplus · Accepted Answer

To select five questions where one must be the last question, the student first selects 4 questions from the remaining 11 questions. The number of ways to do this is given by the combination formula C(11, 4) = 330.

How Many Ways Can a Student Select Five Questions from an Exam