1.

In how many ways can 5 team members named sita(empl_id 1), gita (empolee_id 2), meeta(emp_id 3), rita(emp_id 4) and kirti(emp_id 5) be seated if they should not sit in ascending order of their employee ids?

Answer»

This is a QUESTION of permutations.

n = the number of objects and in this CASE we have 5 team members.

They are picked 1 at a time :

Formula :

n! / (n - R)!

5! / (5 - 1)!

5! / 4!

(5 x 4!) / 4!

= 5

We have 5 ways.



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