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On 7th February, 2002 it was Thursday. What was the day of the week on 1st January, 2001?

Solution

✅ Correct Option: 3

From 1 January 2001 to 7 February 2002 is 365+31+6=402365 + 31 + 6 = 402 days, since 2001 is an ordinary year.

402÷7402 \div 7 leaves remainder 3, so 7 February 2002 falls three weekdays after 1 January 2001. Counting back three days from Thursday gives Monday.

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