### Home > INT3 > Chapter 10 > Lesson 10.1.3 > Problem 10-46

10-46.

Your midterm exam contains 12 questions and you must answer any ten. Homework Help ✎

How many different combinations of ten questions are possible?

If everyone must answer questions one, two, and three, how many different combinations of ten questions are possible?

_{12}*C*_{10} = 66

_{9}*C*_{7} = 36