How many ways can a person select four books, two CDs, and one DVD from ten books, twenty CDs, and five DVDs?
A) 199,500
B) 6,724,520
C) 405
D) 8,000

Question

Quizplus · Accepted Answer

The number of ways to choose four books from ten is C(10,4), two CDs from twenty is C(20,2), and one DVD from five is C(5,1). Multiply these combinations: C(10,4) * C(20,2) * C(5,1) = 210 * 190 * 5 = 199,500.

How Many Ways Can a Person Select Four Books, Two