ProbabilityMTP June 24 Series IQuestion 2833 of 240
All Questions

A speaks truth in $75\%$ cases and B in $60\%$ of the cases. In what percentage of the cases are they likely to contradict each other, narrating the same incident.

Options

A$0.60$
B$0.45$
C$0.65$
D$0.35$
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Correct Answer

✅ Option b — $0.45$

All Options:

  • A$0.60$
  • B$0.45$
  • C$0.65$
  • D$0.35$

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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