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 To Find Day of the week

Day of the week on 15th Aug 1947 Question 1: Find Day of the week on 15th Aug. 1947 Step 1: Simplify the calculation, break the years in Odd days of: [400x + no. of Centuries +(Years in tens 1) (Months - 1)-+ Days] Here, 1600300 46 +(January thru. July) 15 days Step 2: Calculate Odd days of each component 1600 years 400 (4) 400 years has 0 Odd days 1600 vears has 0 Odd days

Day of the week on 15th Aug 1947 Step 3: 300 years 300 years has 1 Odd day Step 4. 46 years 46 years has 11 Leap years 35 Ordinary years A Leap year has 2 Odd days & An Ordinary year has 1 Odd day > 11 x 2- 22 Odd days & 35 x 1 35 Odd days 1 Odd day (22 +35)/7

Day of the week on 15th Aug 1947 Step 5: January thru. July Jan. has 31/7 3 Odd days Feb. has 0 Odd days (Because 1947 is not a Leap year) Mar. has 3 Odd days Apr. has 2 Odd days May. has 3 Odd days June has 2 Odd days July has 3 Odd days 16 Odd days R(16/7) 2 Odd days

Day of the week on 15th Aug 1947 Step 6: Thru. 15th Aug R(15/2) 1 Odd day Total Odd days= 0 + 1 + 1 + 2 + 1 = 5 odd days Answer

Day of the week on 15th Aug 1947 Step 7. From Reference table below, 5 Odd days Friday Reference Chart Number of Odd days Day of the week Sunday Monday Tuesday Wednesday Thursday Friday Saturday 0 2 4 Therefore, It was a Friday on 15th Aug. 1947

Day of the week on 3rd March 2000 Question 1: Find Day of the week on 3rd March 2000 Step 1: Simplify the calculation, break the years in Odd days of: [400x + no. of Centuries +(Years in tens 1) (Months - 1)-+ Days] Here, 1600 300 99 +(January thru. Feb.) + 3 days Step 2: Calculate Odd days of each component 1600 years 400 (4) 400 years has 0 Odd days 1600 vears has 0 Odd days

Day of the week on 3rd Mar 2000 Step 3: 300 years 300 years has 1 Odd day Step 4. 99 years 99 years has 24 Leap years 75 Ordinary years A Leap year has 2 Odd days & An Ordinary year has 1 Odd day 24 x 2 48 Odd days & 75 x 1 75 Odd days > (48+ 75)/7 - 4 Odd days

Day of the week on 3rd Mar 2000 Step 5: January thru. Feb Jan. has 31/7 3 Odd days Feb. has 1 Odd days (Because 2000 is a Leap year & Feb has 29 days) 3+1 Odd days> 4 Odd days Step 6: Thru. 3rd March 3 days 3 Odd days Total Odd days 0 14+4+3 5 odd daysAnswer

Day of the week on 3rd Mar. 2000 Step 7. From Reference table below, 5 Odd days Friday Reference Chart Number of Odd days Day of the week Sunday Monday Tuesday Wednesday Thursday Friday Saturday 0 2 4 Therefore, It was a Friday on 3rd Mar. 2000

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Bhavuk Pujara

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

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Suraj Rana

2 years ago

Great! I got a clear Idea on data structures by your lecture! Thank you!! Hats off!!

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Mumuksha Pant

2 years ago

Thankyou , glad you liked it :)