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Q.
What was the day on 25th Jan,1981?
A.
Monday
B.
Friday
C.
Sunday
D.
Tuesday
View Answer
Correct choice: C
Explanation:
25 Jan, 1981 = (1980 years + Period from 1.1.1981 to 25.1.1981) Odd days in 1600 years = 0 Odd days in 300 years = 1 80 years = (60 ordinary years + 20 leap year) = (60 x 1 + 20 x 2)= 2 odd days Jan = 25 days = (3 weeks + 4 days) = 4 odd days. Total number of odd days = (0 + 1 + 2 + 4) = 7= 0 odd day. Given day is Sunday.
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