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What day of the week was january 12, 1979?

A.	Monday	B.	Friday
C.	Tuesday	D.	Saturday

Answer and Explanation

Answer:Friday

Explanation:
January 12, 1979 = 1979 years + 12 days
1600 years : 0 odd days
300 years : 1 odd day
78 years have 19 leap years + 59 ordinary years i.e. 38 + 59 i.e. 97 i.e. 6 odd days
12 days of January have 5 odd days
Total number of odd days = 0 + 1+ 6+5 = 12 i.e. 5 odd days
∴ the day on January 12 , 1979 was a Friday

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