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

484
462
44

2 Answers

1 vote
the answer is D22,2=22*21=462
User Spacegoing
by
8.1k points
5 votes

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

User DeLac
by
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