Question

How many different ways can a president and vice president be selected from a class of 22?

484
462
44

Answer 1

the answer is D22,2=22*21=462

Answer 2

Answer: 462

Explanation:

Given: The total number of students in a class = 22

Then to select a president and vice president from the class, we need to use Permutations such that the number of different ways can a president and vice president be selected from a class of 22 is given by :-

`^(22)P_2=(22!)/((22-2)!)=(22*21*20!)/(20!)=21*22=462`