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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Answers by country
999
1000
9999
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answers
Austria
22
Switzerland
16
Pakistan
16
Australia
18
France
11
Germany
130
Unknown
17
the United States
165
Poland
12209
India
105
the Netherlands
15
Canada
10
Greece
14
the Philippines
21
the United Kingdom
71
Ghana
10