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Q.

The probability that the month February in a leap year contain 5 mondays or 5 Sundays

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a

17

b

37

c

27

d

47

answer is B.

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Detailed Solution

February in a leap year contains 29 days = 4 weeks and one more day

The additional day may be any one of the 7 days of the week

n(S)=7

E= February in a leap year contain 5 mondays or 5 Sundays= additional day may be a monday or sunday

n(E)=2

P(E)=2/7

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The probability that the month February in a leap year contain 5 mondays or 5 Sundays