🧪 Lab 4 of 5 · Maths Magical Lab Advance 2 · Class 9
Final Challenge
Part 4 — Data, Chance and Reasoning
Activities 33–38
- 33. Average of Averages
- 34. Mixing Concentrations
- 35. Reading Stacked Columns
- 36. Is the Coin Biased?
- 37. Tree Diagrams
- 38. Is the Converse True?
25 questions mixing all four parts, at the level of your Class 9 tests, with a few questions written the way Class 10 board papers ask them. Try them after you have run every activity. Estimate first, and check each answer by going backwards.