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%
27%
72%
11
flagUnknown
0%
2%
35%
62%
37
flagRepublic of Ireland
4%
4%
33%
58%
24
flagGermany
6%
6%
29%
56%
158
flagthe United States
6%
9%
30%
52%
162
flagPoland
5%
6%
36%
51%
8565
flagBelgium
10%
10%
30%
50%
10
flagthe United Kingdom
5%
6%
39%
49%
212
flagNorway
4%
0%
47%
47%
23
flagItaly
0%
0%
52%
47%
19
flagFrance
0%
16%
37%
45%
24
flagthe Netherlands
0%
8%
44%
44%
25
flagCanada
6%
6%
43%
43%
16
flagIndia
8%
12%
37%
41%
48
flagthe Philippines
0%
18%
56%
25%
16
flagAustralia
0%
53%
30%
15%
13

Gender

men52%
women44%
999
3%
4%
1000
4%
6%
9999
39%
45%
10000
52%
44%

Language versions

question
answers
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flag
How many possible code combinations are there for this kind of lock?
343
48%

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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