Aptitude Topics
Odd Days
An 'odd day' is the remainder obtained when total days are divided by 7. This remainder indicates the shift in the day of the week.
Fundamental Principles
Odd Day
The number of days more than a complete number of weeks in a given period.
Essential Formulation Tips
- 0 odd days = Sunday
- 1 odd day = Monday
- 2 odd days = Tuesday
- ...
- 6 odd days = Saturday
Shortcut Execution Techniques
- To find odd days in X years: Number of years + Number of leap years in those years. Then find remainder after dividing by 7.
Contextual Inquiries (FAQs)
Q: How many odd days are in 100 years?
A: There are 76 ordinary years (76 odd days) and 24 leap years (48 odd days). Total = 124. 124 mod 7 = 5 odd days.
Example Breakdown: Calculating Odd Days
Foundational odd day calculation.Problem QueryHow many odd days are in 10 days?
Step-By-Step Solution Path
10 divided by 7 equals 1 week and 3 days remainder.
Therefore, there are 3 odd days.
Analytical Hint: Divide by 7 and take the remainder.
Odd Day Calculations
Practice finding odd days for different time spans.
Q1. How many odd days are in 30 days?