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प्रश्न
What is the probability that an ordinary year has 53 Mondays?
उत्तर
An ordinary year has 365 days consisting of 52 weeks and 1 day.
This day can be any day of the week.
∴ P(of this day to be Monday) =`1/7`
Thus, the probability that an ordinary year has 53 Mondays is `1/7`.
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