Question

17. A class has 20 students. In how many different ways can five students form a group? (Assume

that the order of the students is not important)

Answer 1

Answer: The number of ways to form a group of 5 students from a class of 20 students is calculated using the combination formula:

C(20,5) = 20! / (5! * (20-5)!) = 15504

So, there are 15,504 different ways in which 5 students can form a group.

Explanation: