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If 1st January 1980 is a Sunday then what will be the day on 9th September 1985?

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

Answer and Explanation

Answer:Friday

Explanation:
If 1st January 1980 is a Sunday then what will be the day on 9th September 1985
From 1980 to 1984 there are 3 ordinary years and one leap year
Number of odd days = 3+2=5 odds
1st January 1985 to 9th September 1985 no of days = 31+28+31+30+31+30+31+31+9= 252 = 0 (221/7) odd days
Therefore total number of odd days = 5 + 0 = 5 odd days , which is a Friday

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