January 1, 2008 is Tuesday. What day of the week lies on Jan. 1, 2009 ?  Choose the correct choice.
A) Monday  B) wednesday  C) Thursday  D) Sunday  E) None of these
Solution   The year 2008 is a leap year. So, it has 2 odd day.   1st day of the year 2008 is Tuesday(Given)   so,1st day of the year 2009 is 2 days beyond Tuesday.   Hence, it will be Thursday. Answer Thursday
<result>C</result>
January 1, 2008 is Tuesday. What day of the week lies on Jan. 1, 2009 ?