Question
Download Solution PDFIf 31 January 2009 was a Saturday, then what was the day of the week on 30 January 2013?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven : 31 January 2009 was a Saturday
Now, 31 January 2009 to 31 January 2013 = 4 Years.
And, 4 years has 1 leap and 3 ordinary year
So total odd days = (1 × 2) + (3 × 1) = 2 + 3 = 5 odd days.
So, 31 January 2013 = Saturday + 5 = Thursday.
But, we need to find the day on 30 January 2013, so subtract 1 day from 31 January 2013.
Therefore, 30 January 2013 will be Thursday - 1 = Wednesday.
Hence, "Wednesday" is the correct answer.
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