Question

find the number of ways to arrange 5 people P1, P2.... P5 in a row such that P1 stands exactly in middle of row​

Answer 1

Given:

There are 5 people: P1, P2, P3, P4 and P5

P1 is in the middle of the row.

To Find:

The number of ways to arrange the 5 people

Solution:

P1 is exactly in the middle of the row

⇒ P1 is fixed at position 3

Find the number of ways to arrange the other 4 people:

Number of ways = 4!

Number of ways = 4 x 3 x 2 x 1

Number of ways = 24

Answer; There are 24 ways to arrange the 5 people.

Answer 2

Answer:

there are 24 ways to arrange the 5 peoples