How would you solve clock and calendar problems in aptitude?
Counting of Odd Days
- 1 ordinary year = 365 days = (52 weeks + 1 day.)
- 1 ordinary year has 1 odd day.
- 1 leap year = 366 days = (52 weeks + 2 days)
- 1 leap year has 2 odd days.
- 100 years = 76 ordinary years + 24 leap years = (76 × 1 + 24 × 2) odd days = 124 odd days.
- Number of odd days in 100 years = 5.
How do you find the same calendar year trick?
For the year to have the same calendar as 2009 you need the sum of the number of odd days. When this sum is divisible by 7 than that year will have the same calendar as 2009. Here, the sum of odd days in these years is 7. Thus 2016 will have the same calendar as 2009.
What is an odd day?
Odd days: In a given period, the quantity of days more than the complete weeks are called Odd days. Leap Year: Every year divisible by 4 in a leap year. But not all century years are leap years. Only those century years which are divisible by 400 are leap years and other century years are ordinary years.
How does a calendar repeat?
Calendar years are usually marked by Dominical letters indicating the first Sunday in a new year, thus the term solar cycle can also refer to a repeating sequence of Dominical letters. Unless a year is not a leap year due to Gregorian exceptions, a sequence of calendars is reused every 28 years.
How many odd days are in 98 days?
2 odd days
1998 and 1999 has 2 odd days. No of days remaining in 1997 = 365 – 15 = 350 = 50 weeks of 0 odd days.
How do we calculate odd days?
Counting of odd days:
- 1 customary year = 365 days (52 weeks+ 1 day) ∴ 1 customary year has 1 odd day.
- 1 jump year =366 days = (52 weeks+2 days) ∴ 1 jump year has 2 odd days.
- 100 year =76 normal year +24 jump year. = (76*1+24*2) odd days =124 odd days. = (17 weeks +5 days) =5 odd days.
Where does calendar fall under the category of logical reasoning?
The topic “ Calendar ” falls under the category of Logical Reasoning as it involves a lot of logical discussion and analysis. One can definitely expect 2 to 4 problems in the question papers of various Govt and Bank Exams. The following list of entrance exams have Calendar as a topic under the Logical Reasoning section:
Which is the best description of a calendar?
A Calendar is a chart or series of pages showing the days, weeks and months of a particular year, or giving particular seasonal information. Given below is the list of topics under the Calendar section: A basic structure of a calendar and a concept of an odd day. Decoded days of the weeks.
What should I know about the structure of a calendar?
Given below is the list of topics under the Calendar section: A basic structure of a calendar and a concept of an odd day. Decoded days of the weeks. Evaluation of a leap year.
