Tough and Tricky questions: Combinations.
A company seeks to hire a sales manager, a shipping clerk, and a receptionist. The company has narrowed its candidate search and plans to interview all remaining candidates including 7 persons for the position of sales manager, 4 persons for the position of shipping clerk, and 10 persons for the position of receptionist. How many different hirings of these three people are possible?
A) 7 + 4 + 10
B) 7 4 10
C) 21 20 19
D) 7! + 4! + 10!
E) 7! 4! 10!
Kudos for a correct solution.
Source: Chili Hot GMAT