12 lines
533 B
Markdown
12 lines
533 B
Markdown
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You are given the following information, but you may prefer to do some research for yourself.
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- 1 Jan 1900 was a Monday.
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- Thirty days has September,
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- April, June and November.
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- All the rest have thirty-one,
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- Saving February alone,
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- Which has twenty-eight, rain or shine.
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- And on leap years, twenty-nine.
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- A leap year occurs on any year evenly divisible by 4, but not on a century unless it is divisible by 400.
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How many Sundays fell on the first of the month during the twentieth century (1 Jan 1901 to 31 Dec 2000)?
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