Question 1153812:  A contracting company ranks its employees into three levels: Level 1, Level 2, and Level 3. The number of employees that the company currently has at each level is provided below.
 
7 Level 1 Employees 
18 Level 2 Employees 
28 Level 3 Employees 
The company currently has four positions available: Position A, Position B, Position C, and Position D.
 
Position A requires a Level 3 employee. 
Position B requires a Level 2 employee. 
Position C requires a Level 2 employee. 
Position D requires a Level 1 employee. 
Determine the number of different ways in which the company can fill the four positions. 
 Answer by ikleyn(52903)      (Show Source): 
You can  put this solution on YOUR website! . 
Any of 28 of the Level-3 employees for position A.
Any of 18 of the Level-2 employees for position B.
Any of 18-1 = 17 of the remaining of the Level-2 employees for position C.
Any of  7 of the Level-3 employees for position D.
In all, it gives  28*18*17*7 = 59976 different ways to fill the positions.
 
 
Solved.
 
 
 
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