In SSC CHSL exam, there will be 25 questions of general intelligence and 25 questions of quantitative aptitude in tier-1 exam. Clock and calendar based questions are common in both sections. These questions become very tricky and non-understandable most of the time because of the misinterpretation of date and time obtained by the candidates.
Therefore, the experts of www.jagranjosh.com have prepared some tips and short notes on this topic to boost the questions solving speed with basic preparation strategy in the exam hall. In this article, we have provided basic concepts to facilitate the calculation faster than the traditional methods. So, let us recall some important points those must be remembered during handling such questions –
SSC CHSL Tips: Important points regarding Calendar
- A year divisible by 4 is a leap year.
- There are 365 days in an ordinary year, so there are 52 weeks+1 day. Hence, an ordinary year contain 1 odd day.
- There are 366 days in a leap year. Hence a leap year contain 2 odd days.
- There are 28 days in February in an ordinary year while in leap year there are 29 days in February.
- The day of week on 1-Jan-0001 was Monday.
- After every 11 years, the calendar repeats itself.
SSC CHSL Tips: Important points regarding Clock
- The minute hand is called the long hand, while hour hand is known as short hand.
- In every one hour, the minute hand gains 55 minutes on the hour hand.
- The hands are in the same straight-line when they are opposite to each other or coincident.
- In every hour, both hands coincide once.
- Both long and short hands coincide 11 times in every 12 hours.
- The minute hand moves 3600 in 1 hour while the hour hand moves 300 in 1 hour.
Example 1: Reena remembers that her brother Ravi’s birthday was after 15th but before 20th September, while her mother remembers that Ravi’s birthday was after 17th but before 19th September. On which date of September was Ravi’s birthday.
Solution: According to Reena and According to her mother:
According to both common days is 18th.
Hence, Ravi's birth was on 18th September.
Example 2: If 22nd August is Sunday, What day was on 22 days before?
Solution: Difference of No. of days = 22
No. of odd days = 1 [Because 22/7 = 3 + 1]
1 day before Sunday is Saturday. Hence, it will be Saturday before 22 days.
The above examples are sufficient to elaborate the above concepts. For more preparation tips & strategies, Keep on tracking us at www.jagranjosh.com .
All the Best!