A team has four members. One must be appointed captain and a different member must be appointed deputy. How many different appointments are possible?
Show hints
- The two roles are different, so the order of selection matters.
- Each of the four possible captains has three possible deputies.
Show the answer and solution
Answer: 12
Any of the four members can be captain. A deputy is then chosen from the other three. The total is 4 × 3 = 12 appointments.