Question

How many ways can five people be seated on five chairs?

Answer 1

Answer:

number of people as well as a number of chair is 5.therefore there are exactly 120 ways in which they can be seated.

Answer 2

Answer:

120

Step-by-step explanation:

First person can be seated on any of the 5 chairs.
Second person can be seated on any of the remaining 4 chairs.
Third person can be seated on any of the remaining 3 chairs.
Fourth person can be seated on any of the remaining 2 chairs.
The Fifth person can be seated on the remaining 1 chair.

∴ No. of ways= 5 × 4 × 3 × 2 × 1= 120