Problem Solving

[Problem Solving] 试题详情

John has 5 friends who want to ride in his new car that can accommodate only 3 passengers at a time. How many different combinations of 3 passengers can be formed from the 5 friends?

Options:

3
8
10
15
20

Correct:

C

Problem Solving

点我领取
免费专项课程
在线咨询