1.	Determine the check digit that should be appended to the US Postal Service money order identification number 2384943094.	
	A)  1    B)  4    C)  6    D)  8	

2.	Determine the check digit that should be appended to the US Postal Service money order identification number 5849202911.	
	A)  1    B)  4    C)  5    D)  8	

3.	Determine the check digit that should be appended to the US Postal Service money order identification number 5428792351.	
	A)  1    B)  4    C)  6    D)  8	

4.	Suppose a US Postal Service money order is numbered x3843291010 where the first digit is obliterated.  What is the missing digit?	
	A)  4    B)  5    C)  9    D)  The missing digit can't be determined.	

5.	Suppose a US Postal Service money order is numbered x4839203210 where the first digit is obliterated.  What is the missing digit?	
	A)  4    B)  5    C)  8    D)  The missing digit can't be determined.	

6.	Determine the check digit that should be appended to the American Express Travelers Cheque identification number 483920381.	
	A)  2    B)  6    C)  7    D)  8	

7.	Determine the check digit that should be appended to the American Express Travelers Cheque identification number 783920381.	
	A)  6    B)  5    C)  4    D)  1	

8.	Determine the check digit that should be appended to the American Express Travelers Cheque identification number 293021243.	
	A)  1    B)  4    C)  6    D)  8	

9.	Suppose an American Express Travelers Cheque is numbered x483920594 where the first digit is obliterated.  What is the missing digit?	
	A)  1    B)  6    C)  8    D)  The missing digit can't be determined.	

10.	Suppose an American Express Travelers Cheque is numbered x392063210 where the first digit is obliterated.  What is the missing digit?	
	A)  1    B)  4    C)  8    D)  The missing digit can't be determined.	

11.	Determine the check digit that should be appended to the Avis rental car identification number 483901.	
	A)  2    B)  5    C)  7    D)  8	

12.	Determine the check digit that should be appended to the Avis rental car identification number 821922.	
	A)  3    B)  4    C)  7    D)  8	

13.	Is the number 4839212 a legitimate Avis rental car number?	
	A)  Yes    B)  No	

14.	Is the number 3910291 a legitimate Avis rental car number?	
	A)  Yes    B)  No	

15.	Determine the check digit that should be appended to the UPS identification number 102839414.	
	A)  1    B)  3    C)  4    D)  6	

16.	Determine the check digit that should be appended to the UPS identification number 112843215.	
	A)  1    B)  2    C)  5    D)  6	

17.	Is the number 1028343293 a legitimate UPS package number?	
	A)  Yes    B)  No	

18.	Is the number 1023894326 a legitimate UPS package number?	
	A)  Yes    B)  No	

19.	Determine the check digit that should be appended to the airline ticket identification number 28143298311.	
	A)  2    B)  3    C)  4    D)  5	

20.	Determine the check digit that should be appended to the airline ticket identification number 85493049210.	
	A)  2    B)  3    C)  4    D)  5	

21.	Is the number 102432854931 a legitimate airline ticket number?	
	A)  Yes    B)  No	

22.	Is the number 103932091202 a legitimate airline ticket number?	
	A)  Yes    B)  No	

23.	Determine the check digit that should be appended to the UPC identification number 0 12500 29301.	
	A)  0    B)  1    C)  3    D)  9	

24.	Determine the check digit that should be appended to the UPC identification number 0 13500 47501.	
	A)  0    B)  2    C)  3    D)  8	

25.	Determine the check digit that should be appended to the UPC identification number 0 15700 37501.	
	A)  0    B)  1    C)  3    D)  7	

26.	Is the number 0 11300 84392 4 a legitimate UPC number?	
	A)  Yes    B)  No	

27.	Is the number 0 11300 29432 5 a legitimate UPC number?	
	A)  Yes    B)  No	

28.	If the UPC number 0 11500 22810 8 is incorrectly entered as 0 11500 28810 8, will the error be detected by the check digit?	
	A)  Yes    B)  No	

29.	If the UPC number 0 89901 24334 1 is incorrectly entered as 0 84401 24334 1, will the error be detected by the check digit?	
	A)  Yes    B)  No	

30.	Suppose the sixth digit of the UPC number 0 5443x 30250 0 is obliterated.  What is the missing digit?	
	A)  0    B)  3    C)  5    D)  The missing digit can't be determined.	

31.	Determine the check digit that should be appended to the bank identification number 01200021.	
	A)  2    B)  4    C)  7    D)  8	

32.	Determine the check digit that should be appended to the bank identification number 05200035.	
	A)  1    B)  3    C)  8    D)  9	

33.	Determine the check digit that should be appended to the bank identification number 04200052.	
	A)  1    B)  3    C)  7    D)  9	

34.	Is the number 075000325 a legitimate bank identification number?	
	A)  Yes    B)  No	

35.	Is the number 096000361 a legitimate bank identification number?	
	A)  Yes    B)  No	

36.	Determine the check digit that should be appended to the Codabar number 312680013325001.	
	A)  7    B)  6    C)  5    D)  3	

37.	Determine the check digit that should be appended to the Codabar number 312545006987005.	
	A)  4    B)  3    C)  7    D)  6	

38.	Determine the check digit that should be appended to the Codabar number 312540016220550.	
	A)  1    B)  0    C)  8    D)  2	

39.	Is the number 3125700143750015 a legitimate Codabar number?	
	A)  Yes    B)  No	

40.	Is the number 3125850025490085 a legitimate Codabar number?	
	A)  Yes    B)  No	

41.	Determine the check digit that should be appended to the ISBN 0-7167-6531.	
	A)  4    B)  5    C)  6    D)  7	

42.	Determine the check digit that should be appended to the ISBN 0-7167-9811.	
	A)  2    B)  5    C)  6    D)  8	

43.	Suppose the fourth digit of the ISBN 0-71x7-1011-0 is obliterated. What is the missing digit?	
	A)  2    B)  3    C)  6    D)  The missing digit can't be determined.	

44.	Is the number 0-7167-2431-X a legitimate ISBN?	
	A)  Yes    B)  No	

45.	Is the number 0-7167-1532-0 a legitimate ISBN?	
	A)  Yes    B)  No	

46.	Suppose the seventh digit of the ISBN 0-7137-1x11-0 is obliterated. What is the missing digit?	
	A)  2    B)  5    C)  8    D)  X	

47.	Suppose the first digit of the ISBN x-7127-1011-0 is obliterated. What is the missing digit?	
	A)  5    B)  6    C)  9    D)  0	

48.	Determine the check digit that should be appended to the Postnet code for ZIP+4 code 10010-4525.	
	A)  2    B)  4    C)  7    D)  8	

49.	Determine the check digit that should be appended to the Postnet code for ZIP+4 code 47301-5600.	
	A)  3    B)  4    C)  6    D)  7	

50.	Suppose the fourth digit of the Postnet code 282x4-2486-3 is obliterated.  What is the missing digit?	
	A)  1    B)  3    C)  7    D)  The missing digit can't be determined.	

51.	Determine the check digit for a money order with identification number 7886482952.	
	A)  2    B)  3    C)  5    D)  8	

52.	Determine the check digit for a money order with identification number 9508978667.	
	A)  2    B)  3    C)  5    D)  8	

53.	Determine the missing fifth digit for a money order with identification number 3323_336342.	
	A)  2    B)  3    C)  5    D)  8	

54.	Determine the check digit for the United Parcel Service (UPS) identification number 946641681.	
	A)  2    B)  5    C)  6    D)  9	

55.	Determine the check digit for an airline ticket with number 17511695535.	
	A)  2    B)  5    C)  6    D)  9	

56.	Determine the check digit for the ISBN 0-7167-0792.	
	A)  2    B)  5    C)  6    D)  9	

57.	Determine the missing ninth digit for the ISBN 0-7167-108_-2	
	A)  2    B)  5    C)  6    D)  9	

58.	Determine the check digit for the UPC number 0 01339 19780.	
	A)  2    B)  5    C)  6    D)  9	

59.	Determine the missing second digit for the UPC number 4 _6470 32350 8	
	A)  2    B)  5    C)  6    D)  9	

60.	The last digit of Master Card number 5123 4567 8901 234 is:	
	A)  2    B)  5    C)  6    D)  9	

Answer Key

1.	A	
2.	C	
3.	A	
4.	B	
5.	A	
6.	C	
7.	C	
8.	A	
9.	A	
10.	A	
11.	B	
12.	A	
13.	B	
14.	B	
15.	D	
16.	B	
17.	A	
18.	B	
19.	A	
20.	A	
21.	B	
22.	B	
23.	B	
24.	D	
25.	C	
26.	B	
27.	B	
28.	A	
29.	B	
30.	A	
31.	D	
32.	D	
33.	A	
34.	B	
35.	B	
36.	C	
37.	A	
38.	B	
39.	A	
40.	B	
41.	A	
42.	B	
43.	C	
44.	B	
45.	B	
46.	C	
47.	A	
48.	A	
49.	B	
50.	A	
51.	C	
52.	A	
53.	D	
54.	C	
55.	B	
56.	C	
57.	C	
58.	B	
59.	A	
60.	B