What day of the week was 30 January 2007?
What day of the week was 30 January 2007?
Solution
✅ Correct Option: 2
Count odd days up to 31 December 2006. The first 2000 years give odd days, and 2001 to 2006 contain one leap year and five ordinary years, giving , that is odd days.
Add 30 days of January: leaves remainder .
Two odd days correspond to Tuesday.
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