The correct option is C Thursday
1600 years have 0 odd day and 300 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) or 6 odd days
26 days of January contain 5 odd days
So, the day was Thursday.