Bihar Board Class 10 · Maths
Maths: which chapter carries how many marks
How many marks and questions each chapter carried a year in Bihar Board (BSEB)’s 22 real papers of 2021–2026 — counted, not guessed. Start where the marks are.
| # | Chapter | Marks/yr | Qs/yr |
|---|---|---|---|
| 1 | 8. Introduction to Trigonometry | 16.6 | 24.6 |
| 2 | 7. Coordinate Geometry | 9.7 | 14.3 |
| 3 | 4. Quadratic Equations | 8.3 | 10.6 |
| 4 | 6. Triangles | 8.1 | 10.5 |
| 5 | 3. Pair of Linear Equations in Two Variables | 7.8 | 7.6 |
| 6 | 5. Arithmetic Progressions | 7.2 | 11.2 |
| 7 | 13. Surface Areas and Volumes | 7.0 | 9.5 |
| 8 | 2. Polynomials | 6.8 | 11.6 |
| 9 | 14. Statistics | 6.0 | 7.5 |
| 10 | 1. Real Numbers | 5.8 | 9.7 |
| 11 | 12. Areas Related to Circles | 4.5 | 6.4 |
| 12 | 10. Circles | 4.2 | 5.6 |
| 13 | 15. Probability | 3.0 | 5.7 |
| 14 | 9. Some Applications of Trigonometry | 2.9 | 2.3 |
| 15 | 11. Constructions | 2.3 | 0.9 |
Average = total marks of the chapter’s questions over those years ÷ the years (one of a choice counted).
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