CBSE 12 Math · U6
Probability
Conditional probability, multiplication theorem, independent events, total probability, and Bayes' theorem in CBSE board style.
Test yourself
A focused, distraction-free run through 25 multiple-choice questions. Hints if you need them; your score at the end.
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Topic 6.1
Conditional Probability
Finding probabilities after a condition restricts the sample space
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Topic 6.2
Multiplication Theorem on Probability
Using chained conditional probabilities for two or more events
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Topic 6.3
Independent Events
Testing and using independence through products and conditional probabilities
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Topic 6.4
Total Probability
Combining conditional probabilities over exhaustive cases
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Topic 6.5
Bayes' Theorem
Finding posterior probabilities after an observed event
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