Practicing Success
If on 15th April 1998, was Wednesday , then what day will be on 8 August 2006? |
Monday Thursday Tuesday Wednesday |
Tuesday |
The day for 15th April 1998 is: \(\frac{Date + Month\;code + Century\;code + Century\;upper\;year + Quotient\;of\;\frac{upper\;year}{4}}{7}\) \(\frac{15 + 6 + 0 + 98 + 24}{7}\) = \(\frac{143}{7}\) = Remainder 3 Wednesday Therefore, the day on 8 August 2006 will be: \(\frac{Date + Month\;code + Century\;code + Century\;upper\;year + Quotient\;of\;\frac{upper\;year}{4}}{7}\) \(\frac{8 + 2 + 6 + 6 + 1}{7}\) = \(\frac{23}{7}\) = Remainder 2 The day for Code 2 is Tuesday . Note: Code for Mon – 1 Tues – 2 Wed – 3 Thurs – 4 Fri – 5 Sat – 6 Sun – 0 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 |