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Bihar Board 6 min read13 October 2026

Bihar Board Class 10 Maths Chapter-Wise Marks Weightage 2027 - BSEB Matric Marks Distribution

Bihar Board Class 10 Maths 2027 marks weightage: Algebra 20m, Geometry 15m, Trigonometry 12m, Statistics 11m. Complete BSEB unit-wise breakdown with study strategy.

In short: Bihar Board (BSEB) Class 10 Maths 2027 carries 100 marks total: 50 marks for the written paper (objective + subjective) and 50 marks for internal assessment. The syllabus follows NCERT. Algebra carries the highest weightage at about 12-13 marks in the written paper, followed by Geometry at about 9-10 marks.

Understanding the BSEB Matric Maths Paper

The Bihar School Examination Board (BSEB) has a unique marking structure for Class 10 (Matric) exams:

  • Written paper: 50 marks (split into objective and subjective)
  • Internal assessment: 50 marks
  • Total: 100 marks

The written paper structure:

  • Objective section (MCQ): 50 questions, 50 marks (1 mark each, attempt all)
  • Subjective section: Short and long answer questions, 50 marks
  • Combined written paper: 2 hours 45 minutes

Wait, to clarify: BSEB uses a 100-mark written paper format (50 objective + 50 subjective), with internal assessment counted separately at the school level. The theory paper total is 100 marks.

The syllabus follows NCERT, covering the same 14 chapters as CBSE.

Unit-Wise Marks Breakdown

Unit 1: Number Systems (6-8 Marks)

Chapter 1: Real Numbers

  • Euclid's Division Lemma and Algorithm
  • Fundamental Theorem of Arithmetic
  • Rational and irrational number proofs

In the objective section, expect 2-3 MCQs from this chapter. In the subjective section, a 2-3 mark question on HCF/LCM or irrationality proof is common.

Unit 2: Algebra (24-26 Marks)

The highest-weightage unit, covering four chapters that appear heavily in both objective and subjective sections.

Chapter 2: Polynomials (4-6 marks)

  • Zeroes and coefficients relationship
  • Division algorithm for polynomials

Chapter 3: Pair of Linear Equations in Two Variables (6-7 marks)

  • All four algebraic methods of solving
  • Graphical method
  • Word problems

Chapter 4: Quadratic Equations (7-8 marks)

  • Factorization method and formula method
  • Discriminant and nature of roots
  • Word problems

Chapter 5: Arithmetic Progressions (6-7 marks)

  • nth term and sum of n terms
  • Word problems on AP

Strategy: Algebra appears in 10-12 objective questions and 2-3 subjective questions. This unit alone can give you 24-26 marks. Give it 35% of your preparation time.

Unit 3: Coordinate Geometry (6-8 Marks)

Chapter 7: Coordinate Geometry

  • Distance formula, section formula
  • Area of triangle, midpoint formula

Expect 2-3 MCQs and 1 subjective question. Formula-based and scoring.

Unit 4: Geometry (16-18 Marks)

Chapter 6: Triangles (10-11 marks)

  • Similar triangles and all criteria
  • BPT and its converse
  • Pythagoras Theorem
  • Areas of similar triangles

Chapter 10: Circles (6-7 marks)

  • Tangent properties
  • Tangent-related problems

Geometry is heavily tested in BSEB with 5-6 MCQs and 2-3 subjective proof/numerical questions.

Unit 5: Trigonometry (14-16 Marks)

Chapter 8: Introduction to Trigonometry (8-9 marks)

  • Trigonometric ratios table
  • Identities and proofs

Chapter 9: Some Applications of Trigonometry (6-7 marks)

  • Height and distance problems

Trigonometry carries good weightage in BSEB. Identity proofs and height-distance problems are commonly asked in the subjective section.

Unit 6: Mensuration (12-14 Marks)

Chapter 12: Areas Related to Circles (6-7 marks)

  • Sector and segment area
  • Combined figure problems

Chapter 13: Surface Areas and Volumes (6-7 marks)

  • Combination of solids
  • Frustum problems

Unit 7: Statistics and Probability (12-14 Marks)

Chapter 14: Statistics (7-8 marks)

  • Mean, median, mode from grouped data
  • Ogive construction

Chapter 15: Probability (4-6 marks)

  • Classical probability problems

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BSEB Objective Section Strategy

The objective section carries 50 marks (50 MCQs). Tips for maximizing this:

  1. Each MCQ carries 1 mark with no negative marking. Attempt every question.
  2. MCQs cover all chapters. Even chapters with low subjective weightage have MCQs.
  3. Know all formulas by heart since most MCQs test direct formula application.
  4. Practice from previous year BSEB objective papers. The pattern repeats.
  5. Spend no more than 1 minute per MCQ. Mark difficult ones and return later.

Priority Matrix

Tier 1 (Maximum marks): Algebra (24-26m), Geometry (16-18m) = 40-44 marks combined Tier 2 (Good returns): Trigonometry (14-16m), Statistics/Probability (12-14m) = 26-30 marks Tier 3 (Scoring): Mensuration (12-14m), Number Systems (6-8m), Coordinate Geometry (6-8m) = 24-30 marks

Study Time Allocation for 60 Days

  • Quadratic Equations + AP: 8 days
  • Triangles + Circles: 7 days
  • Trigonometry (both chapters): 6 days
  • Linear Equations + Polynomials: 5 days
  • Statistics + Probability: 5 days
  • Mensuration (both chapters): 5 days
  • Coordinate Geometry: 3 days
  • Real Numbers: 2 days
  • Previous year objective papers: 10 days
  • Full revision: 9 days

Common Mistakes in BSEB Maths

  1. Not practicing the objective section separately. BSEB MCQs have a distinct style. Solve at least 5 previous year objective papers.
  2. Writing incomplete proofs in the subjective section. BSEB markers award step marks, so every intermediate step matters.
  3. In the objective section, confusing similar formulas (like distance formula vs section formula). Quick mental verification helps.
  4. Not managing time between objective and subjective sections. Allocate roughly equal time to both.
  5. Ignoring mensuration and statistics because they seem easy. These units carry 24-28 marks combined, so skipping practice here costs marks.

If you are looking for a complete study plan, check out our guide on how to prepare for board exams in 30 days and how to use mock tests to score better in board exams.

Frequently Asked Questions

What is the BSEB Class 10 Maths paper pattern for 2027?

The paper has an objective section with 50 MCQs (50 marks) and a subjective section with short and long answer questions (50 marks). Total written paper is 100 marks.

Is Bihar Board Maths based on NCERT?

Yes, BSEB follows the NCERT textbook for Mathematics. The chapters are identical to CBSE. The difference is in the paper pattern with its heavy emphasis on objective questions.

What is the passing marks for BSEB Matric Maths?

You need 30% overall (30 out of 100) in the written exam to pass.

How many MCQs come from Algebra in BSEB Maths?

Typically 10-12 MCQs come from Algebra chapters (Polynomials, Linear Equations, Quadratic Equations, AP), making it the most tested unit in the objective section.

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