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Chance that a leap year selected at random will contain 53 Sundays is
Concept:A leap year consist of 366 days i.e 52 full weeks and 2 more days. There are 52 Sundays in 52 weeks.Remaining two days may be mon-tues, tues-wed, wed-thurs, thurs-fri, fri-sat, sat-sun, sun-mon.P = (first day to be Saturday or Sunday)/(total days in week)Number of all cases = 7Number of favorable cases = 2Probability of 53 Sundays in a leap year = 2/7
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