An ordered pair of officers

An ordered pair of officers

3 marks
TGM Original
A group has n people. There are 72 ways to appoint a chair and a deputy, with different people in the two roles. Find n.

Solution:

Solution locked

680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.

Create a free account to practise similar questions.

Answer:\(n=9\)

Need help? Join our JC Math tuition classes.

Learn more