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The leaves show the first days of two centuries, 1 January 2001 and 1 January 2101. On which of these days can the first day of a century NEVER fall?

Competition practiceCalendars
  • AThursday
  • BSaturday
  • CSunday
  • DMonday

Step-by-Step Solution

From one century's first day to the next is 100 years: 5 odd days, or 6 when the century includes a year divisible by 400 (like 2400). Starting at Monday (2001): 2101 Saturday (+5), 2201 Thursday (+5), 2301 Tuesday (+5), 2401 Monday (+6). The first day of a century is always Monday, Saturday, Thursday or Tuesday, never Sunday, Wednesday or Friday.
Answer: C) Sunday

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