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

21%

69%

Switzerland

27%

66%

Germany

32%

59%

161

Australia

10%

31%

57%

Pakistan

25%

12%

56%

France

45%

54%

Unknown

35%

52%

the United States

37%

48%

173

Poland

43%

44%

12292

India

42%

40%

105

Canada

30%

10%

20%

40%

the Netherlands

56%

37%

Greece

14%

50%

35%

the Philippines

14%

52%

33%

the United Kingdom

56%

31%

Ghana

63%

27%

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