There are six processes involved in assembling a product,and these processes can be performed in any order.The management wants to test each order to determine which is the least time-consuming.How many different orders will have to be tested?
A)1,220
B)720
C)770
D)820
E)1,720

Question

There are six processes involved in assembling a product,and these processes can be performed in any order.The management wants to test each order to determine which is the least time-consuming.How many different orders will have to be tested? ​
A)1,220
B)720
C)770
D)820
E)1,720

Quizplus · Accepted Answer

The number of different orders can be determined using factorial notation. There are 6 processes, so the number of different ways they can be ordered is 6 factorial or 6! which is equal to 720. Therefore, choice B is the correct answer.

There Are Six Processes Involved in Assembling a Product,and These