On January 1, 2011 was Wednesday, what day of the week it on 1st Jan 2009?
Answer & explanation
Correct answer: option 4
2009 and 2010 are ordinary year, so they have 1-1 odd days.
So, the day on 1st Jan, 2009 will be 2 days beyond the day on 1st Jan 2011.
1st Jan 2011 was Wednesday
Thus, 1st Jan 2009 will be "Monday".