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  • Subjects
  • Maths CBSE Live product
  • Class 9 (2026-27)
  • The Mathematics of Maybe: Introduction to Probability

Sample space , Events, Tree diagrams

Theory

1. Elements of probability and Tree diagram

Practice Questions

1. TBQ - Sample space

Difficulty: easy

1
2. TBQ - Draw tree diagram

Difficulty: easy

1
3. TBQ - Probability of tossing three coins

Difficulty: easy

2
4. Determine the probability of the ball drawn

Difficulty: medium

3
5. Probabililty on numbers

Difficulty: medium

3
6. Probability of picking a birthday gift

Difficulty: medium

3
7. Probability of a number in throwing dices

Difficulty: medium

3
8. Probability on two digit numbers

Difficulty: medium

4
9. TBQ - Finding probability using tree diagrams

Difficulty: hard

3
10. CBQ - Sample space and tree diagram

Difficulty: hard

4

Teacher manual

1. Methodical recommendation
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