What was the day of the week on 14 March 2010?

Sunday

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 }

14 Mar 2010;

14 + 04 + 06 + 10 + 02 = 36

remainder of \(\frac{36}{7}\) = 01

Therefore, the code of 01 is Sunday