What was the day of the week on 24th October 2011?

Using Code Method :-

\(\frac{Date+Month code+Year code+Last 2 digits of yr+Leap yrs till given yr}{7}\)

( Note: Remainder of the above sum will be the code of week day }

28 Oct 2011;

24 + 01 + 06 + 11 + 02 = 44

remainder of \(\frac{44}{7}\) = 02

Therefore, the code of 02 is Monday