FizzFizz soda comes in two varieties, regular and diet. If a researcher has 4 boxes of each, how many ways can he select 2 boxes of each for a quality control test?
A) 36
B) 24
C) 15
D) 8

Question

Quizplus · Accepted Answer

To select 2 boxes from 4 regular boxes, there are C(4,2) = 6 ways. Similarly, to select 2 boxes from 4 diet boxes, there are C(4,2) = 6 ways. Therefore, the total number of ways to select 2 boxes of each is 6 * 6 = 36.

FizzFizz Soda Comes in Two Varieties, Regular and Diet