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  • W.B.C.S. Exam Short Tricks For Reasoning Questions On Calendar.
    Posted on March 28th, 2019 in Paper VI : Arithmetic and Test of Reasoning
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    W.B.C.S. Exam Short Tricks For Reasoning Questions On Calendar.

    WBCS পরীক্ষার জন্য ক্যালেন্ডারে প্রশ্ন উত্থাপনের জন্য শর্ট ট্রিক্স ।

    In every Competitive exam specially in WBCS Examination, in both preliminary and W.B.C.S. main exam, one of the most important section is Reasoning. You can score a great marks in competitive exams, if you get a good score in Reasoning test. You can achieve a good marks only if you have a depth knowledge of reasoning skills. Logically and type wise reasoning can be divided into few more sections. Calendar is one of them. Continue reading W.B.C.S. Exam Short Tricks For Reasoning Questions On Calendar.

    We provide so many shortcut reasoning tricks and online mock tests. You need to learn those shortcut tricks carefully. You need to learn every topic of reasoning. Then purchase online PDF on reasoning or purchase reasoning books from the market. You can also download reasoning eBooks from online if it’s free. Then find out the practice sets in those books and solve those reasoning MCQ questions using tricks which you have learn here. This will show you the difference between usage of reasoning tricks and non usage of reasoning tricks. Our reasoning notes on Blood Relation will be your key success to your exam.

    Now, we will discuss few important reasoning question answer and also discuss chapter Calendar in detail.

    Basics of Calendar

    The solar year consists of 365 days, 5 hours, 48 minutes. In Julian calendar, the year arranged in 47 BC by Julius Caesar was taken as being of 365¼ days and in order to get rid of odd quarter of a day, an extra day was added once in every fourth year called Leap year. This was also called Bissextile.

    This type of old calendar is now used in Russia only. But, as the solar year is 11 minutes 12 seconds less than a quarter of a day, the Julian calendar became inaccurate by several days and in 1582 AD, this difference amounted to 10 days.

    Pope Gregory XIII determined to rectify this and devised calendar known as Gregorian Calendar. He dropped or cancelled 10 days − October 5thbeing called 15th October and made centurial years leap years only once in 4 centuries. So 1700, 1800, and 1900 were ordinary years and 2000 was a leap year.

    This modification brought the Gregorian system into such close exactitude with the solar year that there is only a difference of 26 seconds which amounts to a day in 3323 years.

    This is the New style. It was ordered by an Act of Parliament to be adopted in England 1752. After 170 years, this information is now used throughout the civilized world with the single exception already named.

    Leap year − Every year which is exactly divisible by 4 such as 1992, 1996 etc. is called leap year.

    Every 4th century is also called as leap year. For a century to be a leap year, it should be exactly divisible by 400.

    Example − 400, 800, 1200 are leap years because these are divisible by 400.

    Number of Odd Days

    Apart from the complete number of weeks in a particular month, the extra days are called odd days.

    Calculation of Odd Days

    • An ordinary year has 365 days. When we divide 365 by 7, we get 52 as quotient and 1 as remainder. So that year has 52 weeks and single day. As the remainder is odd, we call it Odd day.
    • A leap year has 366 days that is 52 weeks and 2 days. So leap year has two odd days.A century has 100 years. Out of these years 76 years are ordinary years and 24 leaps years.So, 100 years contain 5 odd days,Similarly, 400 years contain 5 × 4 + 1 = 21 (no odd days)

    NOTE

    • 5 × 3 = 15 days = 2 weeks + 1 odd day5 × 1 = 5 days = 5 odd days
    • 400th year is a leap year therefore, one additional day is added.

    Table

    Months Odd days
    January 3
    February 0/1
    March 3
    April 2
    May 3
    June 2
    July 3
    August 3
    September 2
    October 3
    November 2
    December 3

    Type I

    To find the day of a week by the help of number of odd days, when reference day is given.

    Working Rule

    • Find the net number of odd days for period between the reference date and given date. The day of the week on the particular date is equal number of net odd days ahead of reference day but behind reference day.

    Example 1 − January 5, 1991 was a Saturday. What day of the week was on March 3, 1992?

    Solution − 1991 is ordinary year, so it has only 1 odd day. Thus January 5, 1992 was a day beyond Saturday. That is Sunday.

    Now, in January 1992 there are 26days left. That is 5 odd days. In February 1992 there are 29 days that is 1 odd day. In March 1992 there 31 days, i.e. 3 odd days. So total number of days after January 5, 1992 = (5 + 1 + 3) = 9 days, i.e. 2 odd days.

    Therefore, 3 March 1992 will be 2 days beyond Sunday.

    Example 2 − Today is 21st August. The day of the week is Monday. This is a leap year. What will be the day of the week on this day after three years?

    Solution − Since this is a leap year, so none of the next 3 years is a leap year. Hence the number of odd days = 3. So, the day of the week will be 3 days beyond Monday i.e. it will be Thursday.

    Type II

    To find the day of a week by the help of the number of odd days, when no reference day is given.

    Working Rule

    • On an assigned date, calculate the number of odd days.
    • In that case we count days according to number of the odd days.

    Table

    Days Number of odd days
    Sunday 0
    Monday 1
    Tuesday 2
    Wednesday 3
    Thursday 4
    Friday 5
    Saturday 6

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