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%
21%
78%
14
flagSwitzerland
4%
0%
19%
76%
21
flagBelgium
6%
6%
26%
60%
15
flagUkraine
0%
9%
28%
57%
21
flagGermany
6%
4%
30%
56%
203
flagthe United Arab Emirates
0%
12%
31%
56%
16
flagUnknown
1%
5%
38%
53%
635
flagRepublic of Ireland
6%
3%
36%
53%
30
flagPoland
4%
6%
35%
52%
12646
flagthe United States
6%
7%
33%
51%
226
flagthe United Kingdom
4%
6%
38%
50%
297
flagNorway
5%
2%
41%
50%
34
flagIndia
5%
8%
36%
47%
68
flagSweden
0%
4%
42%
47%
21
flagCanada
5%
5%
42%
47%
19
flagFrance
0%
13%
40%
46%
30
flagItaly
4%
0%
50%
45%
22
flagthe Netherlands
2%
11%
40%
42%
42
flagAustralia
0%
36%
21%
42%
19
flagthe Philippines
0%
15%
47%
36%
19

Gender

men54%
women46%
999
3%
3%
1000
4%
5%
9999
38%
44%
10000
54%
46%

Language versions

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answers
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flag
How many possible code combinations are there for this kind of lock?
476
50%

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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