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Question

Mathematics Question on Probability

In a leap year the probability of having 53 Sundays or 53 Mondays is

A

27\frac{2}{7}

B

37\frac{3}{7}

C

47\frac{4}{7}

D

57\frac{5}{7}

Answer

37\frac{3}{7}

Explanation

Solution

Since a leap year has 366 days and hence 52 weeks and 2 days. The 2 days can be SM, MT, TW, WTh, ThF, FSt, St.S. Therefore, P(53 Sundays or 53 Mondays) =37 = \frac{3}{7}