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NDA 2013
Exam
NDA
Year
2013
Subject
Mathematics
Chapter
Probability

NDA 2013 · Mathematics · Probability

What is the probability that there are 5 Mondays in the month of...

What is the probability that there are 5 Mondays in the month of February 2016?

Options

  1. A0
  2. B17\frac{1}{7}
  3. C27\frac{2}{7}
  4. DNone of these

Correct answer

B. 17\frac{1}{7}

Step-by-step solution

Month of February 2016 would be of 29 days. If the month of February starts with Monday, then till 28th 28^{\text{th }} February, it would be 4 Mondays. Now, probability that Monday will be on 29th 29^{\text{th }} February is 17\frac{1}{7}.
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