How many different ways can a teacher select 5 students from a class of 19 students to each perform a different classroom task?
A) 11,628
B) 95
C) 1,395,360
D) 240,240

Question

Quizplus · Accepted Answer

This is a combination problem, where the order doesn't matter. Therefore, we need to use the formula: C(19,5) = (19!)/(5!(19-5)!) = 1,395,360. Therefore, the correct answer is C.

How Many Different Ways Can a Teacher Select 5 Students