Bihar Board Class 12 Maths Syllabus 2025-2026: Check Chapter-Wise Weightage, Exam Structure & PYQs

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Bhaskar Das

Study Abroad Specialist | Updated on - Sep 15, 2025

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26 Sep, 2025 Bihar Board 12th Previous Year Papers with Answers are available here for free. Download Here

The Bihar Board class 12 Maths syllabus has been officially published on its website, i.e., https://biharboardonline.com/. The Bihar Board syllabus is designed in accordance with the NCERT pattern.

  • The syllabus includes six major units: Relations and Functions, Algebra, Calculus, Vectors and Three-Dimensional Geometry, Linear Programming, and Probability.
  • The exam is entirely theoretical, with no practical/internal assessment, and has a total of 100 marks.
  • ​The course prioritizes analytical and problem-solving skills, with calculus having the largest weightage.

In this article, we have provided an overview of the Bihar Board Class 12 Maths Syllabus 2025–26 to help students plan their preparation effectively.

Bihar Board class 12 Maths syllabus

Key Summary

  • In this article, we have provided a complete overview of the Bihar Board Class 12 Maths syllabus, including the exam pattern, structure, chapter-wise syllabus, weightage, and preparation tips.

  • The tentative date for the Bihar Board Class 12 Maths exam in 2026 is February 4, 2026.
  • The syllabus follows the NCERT curriculum and is divided into six major units: Relations & Functions, Algebra, Calculus, Vectors & 3D Geometry, Linear Programming, and Probability.
  • Calculus carries the highest weightage, along with Probability, 3D Geometry, and Differential Equations, which are also important topics to focus on.
  • The exam is for a total of 100 marks, and there is no practical exam for Mathematics.

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What is the Bihar Board Class 12 Maths Syllabus 2026?

The Bihar Board Class 12 Maths syllabus 2025-26 has been created to help students improve their analytical, logical, and problem-solving skills. The table below shows the Maths Class 12 Syllabus chapter wise Bihar Board term and key topics to help students prepare for board exams:

Unit Chapter Topics Covered
Unit I 1. Relations and Functions
  • Types of relations: reflexive, symmetric, transitive, equivalence
  • One-to-one and onto functions
2. Inverse Trigonometric Functions
  • Definition, domain, range, principal value branch, graphs
Unit II 3. Matrices
  • Concept, notation, types, transpose, symmetric & skew-symmetric matrices
  • Operations, properties, non-commutativity, zero product matrices
  • Invertible matrices & uniqueness of inverse
4. Determinants
  • Determinants up to 3×3
  • Minors, cofactors, area of a triangle
  • Adjoint & inverse of a square matrix
  • System of linear equations (2–3 variables) using inverse matrix method
Unit III 5. Continuity and Differentiability
  • Continuity and differentiability
  • Chain rule
  • Derivatives of inverse trig, implicit, exponential, logarithmic & parametric functions
  • Higher-order derivatives
6. Applications of Derivatives
  • Rate of change
  • Increasing/decreasing functions
  • Maxima & minima
7. Integrals
  • Integration: substitution, partial fractions, by parts, definite integrals
  • Fundamental Theorem of Calculus
  • Applications: area under curves (lines, circles, parabolas, ellipses)
8. Differential Equations
  • Order, degree, general/particular solutions
  • Methods: separation of variables, homogeneous, linear (first order, first degree)
Unit IV 9. Vectors
  • Scalars & vectors, magnitude, direction
  • Direction cosines & ratios
  • Types: equal, unit, zero, parallel, collinear
  • Position vector, vector addition, scalar multiplication, section formula
  • Dot product & cross product: properties & applications
10. Three-Dimensional Geometry
  • Direction cosines/ratios of line joining two points
  • Cartesian & vector equations of a line
  • Skew lines, shortest distance, angle between lines
Unit V 11. Linear Programming
  • Introduction, terminology: constraints, objective function, optimization
  • Graphical method (two variables)
  • Feasible/infeasible regions & solutions
  • Optimal feasible solutions (up to three non-trivial constraints)
Unit VI 12. Probability
  • Conditional probability, multiplication theorem
  • Independent events
  • Total probability theorem
  • Bayes’ theorem
  • Random variable & probability distribution
  • Mean of random variable

Important Books for Bihar Board Class 12 Maths Syllabus

The NCERT Mathematics textbook and the Bihar Board's approved reference books are the most important resources for the Class 12 students.

The BSEB has recommended NCERT textbooks and lab manuals for the Bihar Board Class 12 Maths Syllabus. The complete set of recommended books is shown in table form below:

Book Title Publisher
Mathematics Part I - Textbook for Class XII NCERT
Mathematics Part II - Textbook for Class XII NCERT
Mathematics Exemplar Problem for Class XII NCERT
Mathematics Lab Manual for Class XII NCERT

Bihar Board Class 12 Maths Exam Structure

The tentative date for the Bihar Board Class 12 Maths exam in 2026 is February 4, 2026.

Below is the exam structure, which shows the total marks, types of questions, and the time duration for the exam.

Bihar Board class 12 Maths exam Pattern
Particulars Details
Total Marks 100
Theory Exam 100 Marks
Exam Duration 3 Hours
Question Types Objective, Short Answer, Long Answer
Passing Marks 30 out of 100

Bihar Board Class 12 Exam Pattern

The exam pattern outlines the format of the question paper, such as the types of questions and time limit. It explains how marks are distributed across objective, short-answer, and long-answer questions, allowing students to plan smartly and manage their time successfully during the exam.

The table below gives a clear overview of the Class 12 Board Exam pattern to help students prepare more effectively.

Section Question Type Number of Questions To Attempt Marks per Question Total Marks
Section A Objective (MCQs) 100 Answer any 50 1 50
Section B Short Answer 30 Answer any 15 2 30
Section C Long Answer 8 Answer any 4 5 20
Total 100

Bihar Board Class 12 Maths Syllabus 2025-26: Unit-Wise Weightage

The marks' weightage highlights the importance of each unit in the syllabus. The Bihar Board Class 12 Maths Syllabus 2025-26 has the following units, along with their respective marks distribution:

  • Calculus, algebra, and probability have a higher weightage, making them critical for high scores.
Unit No. Unit Name Marks
1. Relations and Functions 10
2. Algebra 13
3. Calculus 40
4. Vectors & 3-Dimensional Geometry 18
5. Linear Programming 09
6. Probability 10
Total 100

Bihar Board Class 12 Maths Previous Years’ Question

Solving question papers from previous years is a helpful way to prepare for the exam. It lets students understand the types of questions, how hard they are, and how exams are usually set.

The links to download Bihar Board Class 12 Maths Syllabus Question Papers are provided in the table below:

Bihar Board Class 12 Maths Preparation Tips

Good preparation is important to get better marks in the Bihar Board Class 12 Math exam. The table below shows helpful study tips that can guide students to plan, practice, and revise for the exam according to the Bihar Board Class 12 Maths Syllabus.

S.No Tips What to Do
1. Know the syllabus Read and understand all the topics and chapters included in the exam.
2. Follow the textbook Study from NCERT and Bihar Board textbooks thoroughly.
3. Make a study schedule Plan daily or weekly study time for each chapter.
4. Practice regularly Solve examples and exercises from the textbook and reference books like RD Sharma or RS Aggarwal.
5. Revise formulas and theorems Keep a separate notebook of important formulas and rules. Revise it daily.
6. Solve previous year papers Practice past question papers and sample papers.
7. Focus on weak areas Identify topics you find hard and give them extra practice.

Also Read:

BSEB 12th Exam Preparation Tips

Frequently Asked Questions

Ques: When is the Mathematics exam for class 12 Bihar Board?

Ans: The Bihar School Examination Board (BSEB) is expected to conduct the Class 12 Mathematics exam in February 2026. The official timetable is expected to come out in the first week of December 2025.

Ques: What is the syllabus of Mathematics for class 12 in Bihar Board?

Ans: The Bihar Board Class 12 Maths Syllabus is divided into 12 chapters.

  1. Relations and Functions
  2. Inverse Trigonometric Functions
  3. Matrices
  4. Determinants
  5. Continuity and Differentiability
  6. Application of Derivatives
  7. Integrals
  8. Differential Equations
  9. Vectors
  10. Three-Dimensional Geometry
  11. Linear Programming
  12. Probability

Each chapter has its own weightage in the exam, and together they make up 100 marks.

Ques: Which is the hardest chapter in Mathematics Class 12 Bihar Board?

Ans: In Bihar Board Class 12 Maths Syllabus, Matrices, Determinants, and Three-Dimensional Geometry are often considered the hardest chapters.

Ques: Is Mathematics difficult in class 12?

Ans: The Bihar Board Class 12 Maths Syllabus can be difficult for some students, especially chapters like Matrices, Determinants, and 3D Geometry. But if you practice regularly and understand the concepts, it becomes much easier. It really depends on how much time and effort you put in.

Ques: Will there be a practical exam for BSEB class 12th Math?

Ans: No, there is no practical exam for class 12 maths syllabus Bihar Board 2025 2026. The exam is fully theory-based, covering objective, short answer, and long answer questions, with a total of 100 marks.

*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.

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