Aptitude - Calendar - Discussion

Discussion Forum : Calendar - General Questions (Q.No. 4)
4.
What will be the day of the week 15th August, 2010?
Sunday
Monday
Tuesday
Friday
Answer: Option
Explanation:

15th August, 2010 = (2009 years + Period 1.1.2010 to 15.8.2010)

Odd days in 1600 years = 0

Odd days in 400 years = 0

9 years = (2 leap years + 7 ordinary years) = (2 x 2 + 7 x 1) = 11 odd days 4 odd days.

Jan.  Feb.   March    April    May  June  July  Aug. 
(31 +  28  +  31   +   30   +  31  + 30  + 31  + 15) = 227 days

227 days = (32 weeks + 3 days) 3 odd days.

Total number of odd days = (0 + 0 + 4 + 3) = 7 0 odd days.

Given day is Sunday.

Discussion:
95 comments Page 3 of 10.

Candy said:   9 years ago
I am not understand please say how will it come?

Salil chaudhary said:   9 years ago
@Bidhya. When 7 is divided by 7 it gives remainder as 0. So odd days = 0.

Amith said:   9 years ago
Please, can you tell me how you know the century code is 6 for august?

Bidhya said:   9 years ago
Please help me to understand. Why a total number of odd days = 0 + 0 + 4 + 3 = 7.

Bidhya chhetri said:   9 years ago
Total odd day 0 + 0 + 4 + 3 = 7 = 0 Odd day.

Keisha said:   9 years ago
How do we know if we have to take for 5 years or for 10 years?

Vani said:   10 years ago
Instead of taking 2000 as reference can we take 2008 as it is also a leap year and closer to 2009?

DATTA said:   10 years ago
2000 to 2010 having 10 years.

In which 3 leap year (2000-01), (2004-05), (2008-09) & 7 normal years.

3 leap years have 6 odd days (3 years * 2 odd days) = 6 odd day.

Remaining 7 year having 7 odd day (individually 1) & for year (2010-11).

January February March April May June July Aug.

(31 + 28 + 31 + 30 + 31 + 30 + 31 + 15) = 227 days.

No of odd day = 227/7 = Remainder is 3.

So total odd days are 3+6+7 = 16.

Now 16/7, remainder is 2.

So Tuesday will come.

So how answer will come (Sunday)?

Raunak Thakur said:   9 years ago
How 100 years has 24 leap years? Please explain.

Saipreethi said:   7 years ago
How can I find, if they have given the years in 1500 and 1600? Please explain.


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