Q.

The probability that a leap year will have 53 Sundays is

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a

17

b

27

c

57

d

67

answer is B.

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Detailed Solution

In leap year 366 days (52 weeks+2days) S={(M,T),(T,W),(W,Th),(Th,F),(F,Sat),(Sat,Sun),(Sun,M)}∴ n(S)=7 53 Sundays = 52 Sundays +1 Sunday∴ n(E)=2 ∴ P(E)=27
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