Question 935554
This is a permutation problem, so you can use the formula for permutation

{{{(5!)/((5-5)!)}}}
{{{(5*4*3*2*1)/(0!)}}}
{{{(5*4*3*2*1)/(1)}}}
{{{(5*4*3*2)=120}}}

So there are 120 ways possible of arranging 5 objects in a row.

:D