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.

Answers distribution

999
1000
9999
10000
answers
flagFinland
0%
0%
30%
70%
10
flagRepublic of Ireland
4%
4%
31%
59%
22
flagGermany
6%
6%
28%
57%
147
flagUU
0%
0%
42%
57%
19
flagthe United States
7%
9%
30%
52%
155
flagPoland
5%
6%
36%
50%
8064
flagBelgium
10%
10%
30%
50%
10
flagNorway
4%
0%
47%
47%
23
flagFrance
0%
14%
38%
47%
21
flagItaly
0%
0%
52%
47%
19
flagthe United Kingdom
5%
6%
41%
46%
186
flagCanada
6%
6%
40%
46%
15
flagthe Netherlands
0%
8%
41%
45%
24
flagIndia
8%
13%
37%
40%
45
flagthe Philippines
0%
18%
56%
25%
16
flagAustralia
0%
53%
30%
15%
13

Gender

men52%
women43%
999
3%
3%
1000
4%
5%
9999
38%
46%
10000
52%
43%

Language versions

question
answers
results
flag
How many possible code combinations are there for this kind of lock?
323
49%

Details

Author: Teddy
Illustration: Dave Herholz
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