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.

Answers distribution

999
1000
9999
10000
answers
flagFinland
0%
0%
23%
76%
13
flagUkraine
0%
5%
26%
63%
19
flagSpain
0%
0%
40%
60%
10
flagSweden
0%
10%
20%
60%
10
flagRepublic of Ireland
3%
3%
33%
59%
27
flagGermany
6%
6%
29%
56%
164
flagUnknown
0%
6%
39%
53%
263
flagthe United States
6%
8%
30%
53%
198
flagPoland
4%
6%
35%
52%
10323
flagthe United Kingdom
4%
6%
38%
50%
258
flagNorway
3%
0%
46%
50%
28
flagItaly
4%
0%
47%
47%
21
flagthe United Arab Emirates
0%
15%
38%
46%
13
flagIndia
7%
10%
36%
45%
55
flagBelgium
9%
9%
36%
45%
11
flagthe Netherlands
0%
10%
41%
44%
29
flagCanada
6%
6%
43%
43%
16
flagFrance
0%
15%
42%
42%
26
flagthe Philippines
0%
17%
52%
29%
17
flagAustralia
0%
53%
30%
15%
13

Gender

men53%
women45%
999
3%
3%
1000
4%
5%
9999
38%
44%
10000
53%
45%

Language versions

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How many possible code combinations are there for this kind of lock?
402
49%

Details

Author: Teddy
Illustration: Dave Herholz

History

Feb. 20, 2014, 10:33 p.m. added by Teddy »
Jan. 22, 2017, 5:37 p.m. modified by Michael Arena »
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