ProbabilityMTP Nov 20Question 3378 of 170
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What is the probability that a leap year selected at random contains either 53\displaystyle 53 Sundays or 53\displaystyle 53 Mondays.

Options

A27\displaystyle \frac{2}{7}
B37\displaystyle \frac{3}{7}
C47\displaystyle \frac{4}{7}
D17\displaystyle \frac{1}{7}
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Correct Answer

✅ Option b — 37\displaystyle \frac{3}{7}

All Options:

  • A27\displaystyle \frac{2}{7}
  • B37\displaystyle \frac{3}{7}
  • C47\displaystyle \frac{4}{7}
  • D17\displaystyle \frac{1}{7}

About This Chapter: Probability

Paper

Paper 3: Quantitative Aptitude

Weightage

5-7 Marks

Key Topics

Probability Operations, Expected Value

A logic-heavy chapter dealing with random experiments, events (mutually exclusive, exhaustive), set theory probability, conditional probability, and Bayes' Theorem. It forms the basis for Theoretical Distributions.

View Official ICAI Syllabus

Exam Strategy Tip

Always draw a quick Venn Diagram or tree when faced with 'At least one' or 'Only A but not B' wording. It saves you from double-counting.

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