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What is the probability that a leap year has 53 Sundays ?

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What is the probability that a leap year has 53 Sundays ? Select the correct answer from above options

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Correct Answer - 2 7 A leap year has 366 days, and, therefore, 52 weeks and 2 days. These 2 days may be (i) Sunday and Monday or (ii) Monday and Tuesday or (iii) Tuesday and Wednesday or (iv) Wednesday and Thursday or (v) Thursday and Friday or (vi) Friday and Saturday or (vii) Saturday and Sunday. Thus, out of 7 possibilities, 2 favour the event that one of the two day is a Sunday. ∴ required probability = 2 7 .

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