How many possible code combinations are there for this kind of lock?

999

1000

9999

10000

The possible codes are from 0000 to 9999 inclusive. There are 10 possibilities for each ring, thus there are 10*10*10*10 possible codes.

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Dave Herholz

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Answers by country

Austria

22%

68%

Switzerland

29%

64%

Germany

35%

56%

148

Pakistan

25%

12%

56%

Australia

11%

33%

55%

France

45%

54%

Unknown

35%

52%

the United States

36%

48%

166

Poland

43%

44%

12242

India

42%

40%

105

the Netherlands

53%

40%

Canada

30%

10%

20%

40%

Greece

14%

50%

35%

the Philippines

14%

52%

33%

the United Kingdom

56%

31%

Ghana

63%

27%

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