What is the probability that a leap year selected randomly will have 53 Mondays?

2/7
5/7
1/7
Data inadequate

Correct Answer: 2/7

Explanation:

A leap year has 366 days = 52 weeks + 2 days.
The extra days 2 days can be (Sunday, Monday), (Monday, Tuesday), (Tuesday, Wednesday) .... or (Saturday, Sunday).
Out of these total 7 out comes there are 2 cases favorable to the desired event i,e. (Sunday, Monday) and (Monday, Tuesday)
∴ Required probability = 2/7

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