Typically, how many leap years are in a century?

20
24
25
100
The Gre­go­ri­an Calendar omits 3 leap days every 400 years, omitting February 29 in the 3 century years (integer mul­ti­ples of 100) that are not also integer mul­ti­ples of 400. For example, 1600 was a leap year, but 1700, 1800 and 1900 were not. Sim­i­lar­ly, 2000 was a leap year, but 2100, 2200, and 2300 will not be.

Answers distribution

20
24
25
100
answers
flagUkraine
0%
80%
4%
9%
21
flagNorway
11%
64%
21%
2%
42
flagAustralia
16%
61%
22%
0%
18
flagSpain
5%
57%
31%
0%
19
flagIndia
3%
56%
31%
6%
64
flagCanada
13%
56%
26%
4%
23
flagthe United States
9%
46%
36%
6%
223
flagGermany
11%
46%
37%
4%
171
flagAustria
15%
46%
30%
0%
13
flagthe United Kingdom
8%
44%
43%
2%
330
flagPoland
9%
42%
43%
4%
13169
flagCzech Republic
0%
42%
50%
7%
14
flagthe Netherlands
18%
40%
40%
0%
37
flagItaly
3%
44%
48%
3%
27
flagSweden
5%
38%
50%
5%
18
flagthe Philippines
15%
31%
36%
15%
19
flagUnknown
9%
29%
58%
2%
729
flagDenmark
15%
23%
53%
7%
13
flagFrance
18%
22%
54%
4%
22
flagRepublic of Ireland
17%
20%
58%
0%
34

Gender

men36%
women38%
20
7%
9%
24
36%
38%
25
52%
48%
100
3%
3%

Language versions

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answers
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flag
Typically, how many leap years are in a century?
513
44%

Details

Author: ex-terminator
Illustration: Ebelien
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