Question

In how many ways can five friends sit for a photograph of five chairs in a row?​

Answer 1

Answer:

5 friends sit for a photograph of 5 chairs

So this will be

5!=5×4×3×2×1=120

Answer 2

Answer:

=120 ways.

Step-by-step explanation:

Given that ,

there are five friends for a photograph and five chairs in a row.

To find in how many ways then can seat on the chairs.

So,

on first chair their are five choice.

on second chair their are four choice.

on third chair their are three choice.

on fourth chair  their are two choice.

on fifth chair their are one choice.

therefore the total number of ways of sitting on chair by five friends on five chairs is,

P( 5,5) = $\frac{5!}{(5-5)!}$

           = $\frac{5!}{1!}$

5! = 5×4×3×2×1

   = 120.

THANKS.

#SPJ3.

https://brainly.in/question/2821622

https://brainly.ph/question/12583410