The Leadership Grid includes 5 models of management. is a model with the highest concern for production and the lowest concern for people (9,1).

authoritarian model in which the management only focus on its production and profits but neglect it's workers, or the community. it had less people skills but strong on tasks-related goals

there's 11 people for the 1st position. then, no matter who gets it, there's only 10 left for the second, and then 9 left for the third. 11 x 10 x 9 = 990.   the answer is there are 990 different ways the positions can be filled by these applicants