14th November 2011 was a Monday. What day of the week was 14th November 2010?
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → Sunday
Going back one year moves the day back by the odd days of the year in between: 1 for 365 days, 2 for 366 days.
Between 14 November 2010 and 14 November 2011 lies February 2011, which has 28 days (2011 is not a leap year)
So the gap is 365 days \(=52\times7+1\), that is 1 odd day
Monday − 1 day = Sunday