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What is the probability that a leap year selected randomly will have 53 Mondays ?
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- 2/7
- 5/7
- 1/7
- Data inadequate
Correct Option: A
A leap year has 366 days = 52 weeks + 2 days. These 2 days can be (Sunday, Monday, Wednesday) .... or (Saturday, Sunday). Out of these total 7 out comes there are 2 cases favourable to the desired event i, e. (Sunday, Monday) and (Monday, Tuesday)
∴ Required probability = 2/7
