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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the check digit for this bar code? 163181316891
A
6
B
5
C
9
D
7
Explanation: 

Detailed explanation-1: -The last digit of a barcode number is a calculated check digit. The check digit is calculated from all the other numbers in the barcode and helps to confirm the integrity of your barcode number.

Detailed explanation-2: -All UPC (Universal Product Code) barcodes include a modulo-10 check digit. The UPC check digit is the twelfth digit, located to the far right of the UPC number. The first 11 digits in a UPC barcode are the assigned company prefix and the company-assigned product number. The 12th and final digit is the UPC check digit.

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