20. Find out the day on 9th June 1971.
A.Monday B.Tuesday
C.Wednesday D.Sunday
Answer:
In 1900, the number of odd day is 1.
In 70 years, the number of odd days are as follows:
If all 70 years are ordinary years, the number of odd days are 70, but out of 70 years 17 are leap years in which 17 odd days more i.e. 87 odd days and finally 3 odd days.
According to month wise Jan 3, Feb 0, Mar 3, Apr 2, May 3, so finally it is 4.
According to date wise, the number of odd day is 2.
Finally, the number of odd day is 3 that’s why the day is Wednesday.
