UPC codes practice problems (second quiz)

1. UPC detective: find the missing number in each of these UPC codes:

Code

missing digit

 

A. ?-78787-03104-3

 

B. 0-?0735-00458-1

C. 0-7?787-04104-2

D. 0-41?40-56400-3

 

E. 0-875?7-79000-7

F. 0-4154?-33111-7

 

G. 0-51515-?2385-0

 

H. 0-41540-5?401-0

 

I. 0-30643-54?23-7

 

J. 0-21200-665?2-6

 

K. 0-71641-8000?-5

 

L. 0-41540-3351?-6

 

Answers