TISSNET 2022

Question 47

What is the probability that a leap year has 53 Sundays and 53 Mondays?

Solution

Number of days in leap year = 366
There are 2 odd days in a leap year. For a year to have 53 sundays and 53 mondays, 2 odd days should be sunday and monday.
This is only possible when the first day of the year is sunday.
Therefore, the probability of the first day is sunday = $$\frac{1}{7}$$

Answer is option D.


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