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Number of Odd Days Till Year YYYY (in Hindi)
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Here we discuss How to find No. of Odd days till a given year YYYY, To find last day of the year YYYY, Using Reference charts, Examples etc.

Bhavuk Pujara
MDI Gurgaon ‘18 Rank 3rd | CAT 98.3 | NMAT 98.8

U
Unacademy user
Sir I didn't get the question of 2101 could you please help me to come out from this problem?
  1. FEBRUARY 2016 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 CALENDARS Questions Find No. of Odd days till Year YYYY


  2. Odd days till Question 1: Calculate no. of Odd days till the end of year 1200 AD Step 1: Find no. of Leap & Ordinary years by 400. Other centuries 100, 200, 300, 500.1100 are NOT 1200/4 300 However, since only centuries 400, 800 & 1200 are divisible divisible 300 -9 291 Leap years 1200 - 291 909 Ordinary years Step 2: Find no. of Odd days 291 x 2 582 Odd davs


  3. Odd days 582 +909 1491 Odd days > 1491/7-0 Odd daysAnswer Step 3. Using Reference table, find last day of the 1st century i.e. 31st December Reference Chart Number of odd days 0 Day of the week Sunday Monday Tuesday Wednesday Thursday Friday Saturday 2 4 5


  4. Odd days Therefore, last day of the year 1200 AD was Sunday (0 Odd days) Answer


  5. Odd days till Question 1: Calculate no. of Odd days till the end of year 2101 AD Observation: Every 400 years, Odd days are 0 Odd days > Thru. 2000 years, Odd days 0 Odd days Step 2. Take the rest of centuries, (2100 2000) 100 years Step 3. Take remaining no. of years (2101 - 2100)- 1 year Step 1. Use multiple of 400x 100 years, Odd days 5 Odd days Year 2101th year is an Ordinary year- 1 Odd day


  6. Odd days Total no. of Odd days 05+ 1-6 Odd days 6 Odd days Answer Step 3. Using Reference table to find the last day of year 2101 AD i.e. 31st Dec. 2101 AD Reference Chart Number of odd days 0 Day of the week Sunday Monday Tuesday Wednesday Thursday Friday Saturday 2 4 5


  7. Odd days Therefore, last day of the year 1200 AD was Saturday (6 Odd days) Answer