What day of week was on 7th January, 1995?

Saturday

 = \(\frac{125}{7}\) 

 =   Remainder = 6

              Day of week corresponding to 6  =  Saturday

     Hint:-

              Code for      Jan – 0        Apr – 6       July – 6       Oct – 0

                                  Feb – 3       May – 1      Aug – 2       Nov – 3

                                  Mar – 3       June – 4      Sep – 5       Dec – 5

              Code for      1900 is 0

                                  2000 is 6

                                  2100 is 4

                                  2200 is 2

                                  2300 is 0

                                  2400 is 6

                                  2500 is 4   and  Likewise