As we know that ,
In an ordinary year, February has no odd day.
? February and March begin on same day of the week.
Also we know that, November and March begin on same day of the week.
Hence , required answer will be February and November .
As per the given above question , we have
January 5th, 1965 ? Tuesday
January 5th, 1966 ? Wednesday
January 5th, 1967 ? Thursday
January 5th, 1968 ? Friday
January 5th, 1969 ? Sunday
Since, 1968 is a leap year.
January 5th, 1970 ? Monday
January 5th, 1971 ? Tuesday
Therefore , required answer is Tuesday .
As per the given above question ,we can say that
Odd number of days from September 6, 1970 to September 6, 1981 = 14 days
Hence, the Sunday will be on September 6, 1981.
Counting the number of days after 3rd November, 1987 we have Nov., Dec., Jan., Feb., March., April.
So days = 27 + 31 + 31 + 29 + 31 + 4 = 153 days containing 6 odd days on 4th April, 1988.
So, the day was Tuesday.
The year 1979 being an ordinary year, it has 1 odd day. So, the day on 12th January, 1979
But January 12, 1980 being Saturday
? January 12, 1979 was Friday.
1992 being a leap year, it has 2 odd days. So, the first day of the year 1993 will be two days beyond Wednesday i.e., it will be Friday.
1600 years of 0 odd days and 30 years have 1 odd day. 49 years contain 12 leap years and 37 ordinary years and therefore (24 + 37) odd days i.e., 5 odd days i.e., 1949 years contain (0 + 1 + 5) = 6 odd days. 26 day of January contain 5 days.Total odd days = (6 + 5) = 11 or 4 days. So, the days was Thursday
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